Home / 15,129,035.60-22,693,553.40-13,890,405.20

Finding the Fourth Proportional to 15,129,035.60, 22,693,553.40 and 13,890,405.20

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Solution

The fourth proportional to 15,129,035.60, 22,693,553.40 and 13,890,405.20 is: 20,835,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129,035.60 : 22,693,553.40 = 13,890,405.20 : x
  2. Step 2: Convert to fraction form
    15,129,035.60/22,693,553.40 = 13,890,405.20/x
  3. Step 3: Cross multiply
    15,129,035.60x = 22,693,553.40 × 13,890,405.20
  4. Step 4: Simplify right side
    15,129,035.60x = 315,222,652,153,837.62
  5. Step 5: Solve for x
    x = 315,222,652,153,837.62/15,129,035.60
  6. Step 6: Final answer
    x = 20,835,607.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.