Home / 18,432,509.31-27,639,665.24-5,649,931.71

Finding the Fourth Proportional to 18,432,509.31, 27,639,665.24 and 5,649,931.71

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Solution

The fourth proportional to 18,432,509.31, 27,639,665.24 and 5,649,931.71 is: 8,472,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,509.31 : 27,639,665.24 = 5,649,931.71 : x
  2. Step 2: Convert to fraction form
    18,432,509.31/27,639,665.24 = 5,649,931.71/x
  3. Step 3: Cross multiply
    18,432,509.31x = 27,639,665.24 × 5,649,931.71
  4. Step 4: Simplify right side
    18,432,509.31x = 156,162,221,065,011.09
  5. Step 5: Solve for x
    x = 156,162,221,065,011.09/18,432,509.31
  6. Step 6: Final answer
    x = 8,472,108.62

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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.