Home / 28,114,503.16-38,798,105.22-15,724,809

Finding the Fourth Proportional to 28,114,503.16, 38,798,105.22 and 15,724,809

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Solution

The fourth proportional to 28,114,503.16, 38,798,105.22 and 15,724,809 is: 21,700,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114,503.16 : 38,798,105.22 = 15,724,809 : x
  2. Step 2: Convert to fraction form
    28,114,503.16/38,798,105.22 = 15,724,809/x
  3. Step 3: Cross multiply
    28,114,503.16x = 38,798,105.22 × 15,724,809
  4. Step 4: Simplify right side
    28,114,503.16x = 610,092,794,146,403
  5. Step 5: Solve for x
    x = 610,092,794,146,403/28,114,503.16
  6. Step 6: Final answer
    x = 21,700,287.24

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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.