Home / 8,779,234.60-13,162,631.10-3,989,218.60

Finding the Fourth Proportional to 8,779,234.60, 13,162,631.10 and 3,989,218.60

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Solution

The fourth proportional to 8,779,234.60, 13,162,631.10 and 3,989,218.60 is: 5,981,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,234.60 : 13,162,631.10 = 3,989,218.60 : x
  2. Step 2: Convert to fraction form
    8,779,234.60/13,162,631.10 = 3,989,218.60/x
  3. Step 3: Cross multiply
    8,779,234.60x = 13,162,631.10 × 3,989,218.60
  4. Step 4: Simplify right side
    8,779,234.60x = 52,508,612,809,058.46
  5. Step 5: Solve for x
    x = 52,508,612,809,058.46/8,779,234.60
  6. Step 6: Final answer
    x = 5,981,001.21

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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.