Home / 20,970,248.52-28,924,035.87-13,997,410.45

Finding the Fourth Proportional to 20,970,248.52, 28,924,035.87 and 13,997,410.45

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Solution

The fourth proportional to 20,970,248.52, 28,924,035.87 and 13,997,410.45 is: 19,306,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,248.52 : 28,924,035.87 = 13,997,410.45 : x
  2. Step 2: Convert to fraction form
    20,970,248.52/28,924,035.87 = 13,997,410.45/x
  3. Step 3: Cross multiply
    20,970,248.52x = 28,924,035.87 × 13,997,410.45
  4. Step 4: Simplify right side
    20,970,248.52x = 404,861,601,923,093.06
  5. Step 5: Solve for x
    x = 404,861,601,923,093.06/20,970,248.52
  6. Step 6: Final answer
    x = 19,306,476.10

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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.