Home / 18,671,332.40-28,006,998.60-7,308,004.40

Finding the Fourth Proportional to 18,671,332.40, 28,006,998.60 and 7,308,004.40

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Solution

The fourth proportional to 18,671,332.40, 28,006,998.60 and 7,308,004.40 is: 10,962,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,332.40 : 28,006,998.60 = 7,308,004.40 : x
  2. Step 2: Convert to fraction form
    18,671,332.40/28,006,998.60 = 7,308,004.40/x
  3. Step 3: Cross multiply
    18,671,332.40x = 28,006,998.60 × 7,308,004.40
  4. Step 4: Simplify right side
    18,671,332.40x = 204,675,268,999,593.88
  5. Step 5: Solve for x
    x = 204,675,268,999,593.88/18,671,332.40
  6. Step 6: Final answer
    x = 10,962,006.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.