Home / 8,898,424.92-13,347,632.16-3,217,320.72

Finding the Fourth Proportional to 8,898,424.92, 13,347,632.16 and 3,217,320.72

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Solution

The fourth proportional to 8,898,424.92, 13,347,632.16 and 3,217,320.72 is: 4,825,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898,424.92 : 13,347,632.16 = 3,217,320.72 : x
  2. Step 2: Convert to fraction form
    8,898,424.92/13,347,632.16 = 3,217,320.72/x
  3. Step 3: Cross multiply
    8,898,424.92x = 13,347,632.16 × 3,217,320.72
  4. Step 4: Simplify right side
    8,898,424.92x = 42,943,613,511,306.36
  5. Step 5: Solve for x
    x = 42,943,613,511,306.36/8,898,424.92
  6. Step 6: Final answer
    x = 4,825,979.19

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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.