Home / 28,840,425.90-39,799,897.47-15,788,899.14

Finding the Fourth Proportional to 28,840,425.90, 39,799,897.47 and 15,788,899.14

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Solution

The fourth proportional to 28,840,425.90, 39,799,897.47 and 15,788,899.14 is: 21,788,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840,425.90 : 39,799,897.47 = 15,788,899.14 : x
  2. Step 2: Convert to fraction form
    28,840,425.90/39,799,897.47 = 15,788,899.14/x
  3. Step 3: Cross multiply
    28,840,425.90x = 39,799,897.47 × 15,788,899.14
  4. Step 4: Simplify right side
    28,840,425.90x = 628,396,566,936,171.12
  5. Step 5: Solve for x
    x = 628,396,566,936,171.12/28,840,425.90
  6. Step 6: Final answer
    x = 21,788,740.88

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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.