Home / 39,930,665.60-59,895,998.40-13,007,043.20

Finding the Fourth Proportional to 39,930,665.60, 59,895,998.40 and 13,007,043.20

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Solution

The fourth proportional to 39,930,665.60, 59,895,998.40 and 13,007,043.20 is: 19,510,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930,665.60 : 59,895,998.40 = 13,007,043.20 : x
  2. Step 2: Convert to fraction form
    39,930,665.60/59,895,998.40 = 13,007,043.20/x
  3. Step 3: Cross multiply
    39,930,665.60x = 59,895,998.40 × 13,007,043.20
  4. Step 4: Simplify right side
    39,930,665.60x = 779,069,838,695,930.88
  5. Step 5: Solve for x
    x = 779,069,838,695,930.88/39,930,665.60
  6. Step 6: Final answer
    x = 19,510,564.80

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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.