Home / 16,190,120.40-24,253,687.80-9,781,335.60

Finding the Fourth Proportional to 16,190,120.40, 24,253,687.80 and 9,781,335.60

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Solution

The fourth proportional to 16,190,120.40, 24,253,687.80 and 9,781,335.60 is: 14,652,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,190,120.40 : 24,253,687.80 = 9,781,335.60 : x
  2. Step 2: Convert to fraction form
    16,190,120.40/24,253,687.80 = 9,781,335.60/x
  3. Step 3: Cross multiply
    16,190,120.40x = 24,253,687.80 × 9,781,335.60
  4. Step 4: Simplify right side
    16,190,120.40x = 237,233,459,909,425.69
  5. Step 5: Solve for x
    x = 237,233,459,909,425.69/16,190,120.40
  6. Step 6: Final answer
    x = 14,652,976.88

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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.