Home / 15,941,631.24-21,998,817.36-9,417,355.92

Finding the Fourth Proportional to 15,941,631.24, 21,998,817.36 and 9,417,355.92

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Solution

The fourth proportional to 15,941,631.24, 21,998,817.36 and 9,417,355.92 is: 12,995,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941,631.24 : 21,998,817.36 = 9,417,355.92 : x
  2. Step 2: Convert to fraction form
    15,941,631.24/21,998,817.36 = 9,417,355.92/x
  3. Step 3: Cross multiply
    15,941,631.24x = 21,998,817.36 × 9,417,355.92
  4. Step 4: Simplify right side
    15,941,631.24x = 207,170,692,898,194.75
  5. Step 5: Solve for x
    x = 207,170,692,898,194.75/15,941,631.24
  6. Step 6: Final answer
    x = 12,995,576.79

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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.