Home / 20,178,052.80-30,267,079.20-9,944,861.10

Finding the Fourth Proportional to 20,178,052.80, 30,267,079.20 and 9,944,861.10

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Solution

The fourth proportional to 20,178,052.80, 30,267,079.20 and 9,944,861.10 is: 14,917,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,052.80 : 30,267,079.20 = 9,944,861.10 : x
  2. Step 2: Convert to fraction form
    20,178,052.80/30,267,079.20 = 9,944,861.10/x
  3. Step 3: Cross multiply
    20,178,052.80x = 30,267,079.20 × 9,944,861.10
  4. Step 4: Simplify right side
    20,178,052.80x = 301,001,898,546,699.12
  5. Step 5: Solve for x
    x = 301,001,898,546,699.12/20,178,052.80
  6. Step 6: Final answer
    x = 14,917,291.65

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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.