Home / 20,154,042.18-30,231,063.06-6,690,870.18

Finding the Fourth Proportional to 20,154,042.18, 30,231,063.06 and 6,690,870.18

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Solution

The fourth proportional to 20,154,042.18, 30,231,063.06 and 6,690,870.18 is: 10,036,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154,042.18 : 30,231,063.06 = 6,690,870.18 : x
  2. Step 2: Convert to fraction form
    20,154,042.18/30,231,063.06 = 6,690,870.18/x
  3. Step 3: Cross multiply
    20,154,042.18x = 30,231,063.06 × 6,690,870.18
  4. Step 4: Simplify right side
    20,154,042.18x = 202,272,118,337,853.53
  5. Step 5: Solve for x
    x = 202,272,118,337,853.53/20,154,042.18
  6. Step 6: Final answer
    x = 10,036,305.20

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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.