Home / 14,270,511.25-19,693,743.64-8,389,066.83

Finding the Fourth Proportional to 14,270,511.25, 19,693,743.64 and 8,389,066.83

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Solution

The fourth proportional to 14,270,511.25, 19,693,743.64 and 8,389,066.83 is: 11,577,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270,511.25 : 19,693,743.64 = 8,389,066.83 : x
  2. Step 2: Convert to fraction form
    14,270,511.25/19,693,743.64 = 8,389,066.83/x
  3. Step 3: Cross multiply
    14,270,511.25x = 19,693,743.64 × 8,389,066.83
  4. Step 4: Simplify right side
    14,270,511.25x = 165,212,131,434,023.25
  5. Step 5: Solve for x
    x = 165,212,131,434,023.25/14,270,511.25
  6. Step 6: Final answer
    x = 11,577,169.77

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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.