Home / 13,712,008,007.25-18,903,442,998.15-9,196,693,952.49

Finding the Fourth Proportional to 13,712,008,007.25, 18,903,442,998.15 and 9,196,693,952.49

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Solution

The fourth proportional to 13,712,008,007.25, 18,903,442,998.15 and 9,196,693,952.49 is: 12,678,608,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,008,007.25 : 18,903,442,998.15 = 9,196,693,952.49 : x
  2. Step 2: Convert to fraction form
    13,712,008,007.25/18,903,442,998.15 = 9,196,693,952.49/x
  3. Step 3: Cross multiply
    13,712,008,007.25x = 18,903,442,998.15 × 9,196,693,952.49
  4. Step 4: Simplify right side
    13,712,008,007.25x = 173,849,179,902,325,555,200
  5. Step 5: Solve for x
    x = 173,849,179,902,325,555,200/13,712,008,007.25
  6. Step 6: Final answer
    x = 12,678,608,400.05

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.