Home / 10,428,635.28-15,644,133.96-9,357,092.76

Finding the Fourth Proportional to 10,428,635.28, 15,644,133.96 and 9,357,092.76

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Solution

The fourth proportional to 10,428,635.28, 15,644,133.96 and 9,357,092.76 is: 14,036,698.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428,635.28 : 15,644,133.96 = 9,357,092.76 : x
  2. Step 2: Convert to fraction form
    10,428,635.28/15,644,133.96 = 9,357,092.76/x
  3. Step 3: Cross multiply
    10,428,635.28x = 15,644,133.96 × 9,357,092.76
  4. Step 4: Simplify right side
    10,428,635.28x = 146,383,612,613,586.12
  5. Step 5: Solve for x
    x = 146,383,612,613,586.12/10,428,635.28
  6. Step 6: Final answer
    x = 14,036,698.83

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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.