Home / 8,215,038.30-11,332,981.17-5,315,374.38

Finding the Fourth Proportional to 8,215,038.30, 11,332,981.17 and 5,315,374.38

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Solution

The fourth proportional to 8,215,038.30, 11,332,981.17 and 5,315,374.38 is: 7,332,776.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215,038.30 : 11,332,981.17 = 5,315,374.38 : x
  2. Step 2: Convert to fraction form
    8,215,038.30/11,332,981.17 = 5,315,374.38/x
  3. Step 3: Cross multiply
    8,215,038.30x = 11,332,981.17 × 5,315,374.38
  4. Step 4: Simplify right side
    8,215,038.30x = 60,239,037,760,040.42
  5. Step 5: Solve for x
    x = 60,239,037,760,040.42/8,215,038.30
  6. Step 6: Final answer
    x = 7,332,776.25

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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.