Home / 28,502,199.30-39,331,981.29-15,449,177.97

Finding the Fourth Proportional to 28,502,199.30, 39,331,981.29 and 15,449,177.97

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Solution

The fourth proportional to 28,502,199.30, 39,331,981.29 and 15,449,177.97 is: 21,319,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,502,199.30 : 39,331,981.29 = 15,449,177.97 : x
  2. Step 2: Convert to fraction form
    28,502,199.30/39,331,981.29 = 15,449,177.97/x
  3. Step 3: Cross multiply
    28,502,199.30x = 39,331,981.29 × 15,449,177.97
  4. Step 4: Simplify right side
    28,502,199.30x = 607,646,778,765,794.50
  5. Step 5: Solve for x
    x = 607,646,778,765,794.50/28,502,199.30
  6. Step 6: Final answer
    x = 21,319,294.43

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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.