Home / 20,970,244.50-28,924,030.29-13,997,406.41

Finding the Fourth Proportional to 20,970,244.50, 28,924,030.29 and 13,997,406.41

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Solution

The fourth proportional to 20,970,244.50, 28,924,030.29 and 13,997,406.41 is: 19,306,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,244.50 : 28,924,030.29 = 13,997,406.41 : x
  2. Step 2: Convert to fraction form
    20,970,244.50/28,924,030.29 = 13,997,406.41/x
  3. Step 3: Cross multiply
    20,970,244.50x = 28,924,030.29 × 13,997,406.41
  4. Step 4: Simplify right side
    20,970,244.50x = 404,861,406,984,280.12
  5. Step 5: Solve for x
    x = 404,861,406,984,280.12/20,970,244.50
  6. Step 6: Final answer
    x = 19,306,470.51

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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.