Home / 20,970,342.29-28,924,165.25-13,997,504.27

Finding the Fourth Proportional to 20,970,342.29, 28,924,165.25 and 13,997,504.27

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Solution

The fourth proportional to 20,970,342.29, 28,924,165.25 and 13,997,504.27 is: 19,306,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,342.29 : 28,924,165.25 = 13,997,504.27 : x
  2. Step 2: Convert to fraction form
    20,970,342.29/28,924,165.25 = 13,997,504.27/x
  3. Step 3: Cross multiply
    20,970,342.29x = 28,924,165.25 × 13,997,504.27
  4. Step 4: Simplify right side
    20,970,342.29x = 404,866,126,378,452.31
  5. Step 5: Solve for x
    x = 404,866,126,378,452.31/20,970,342.29
  6. Step 6: Final answer
    x = 19,306,605.53

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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.