Home / 20,700,134.64-28,546,810.56-16,359,590.88

Finding the Fourth Proportional to 20,700,134.64, 28,546,810.56 and 16,359,590.88

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Solution

The fourth proportional to 20,700,134.64, 28,546,810.56 and 16,359,590.88 is: 22,560,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,700,134.64 : 28,546,810.56 = 16,359,590.88 : x
  2. Step 2: Convert to fraction form
    20,700,134.64/28,546,810.56 = 16,359,590.88/x
  3. Step 3: Cross multiply
    20,700,134.64x = 28,546,810.56 × 16,359,590.88
  4. Step 4: Simplify right side
    20,700,134.64x = 467,014,141,690,463.69
  5. Step 5: Solve for x
    x = 467,014,141,690,463.69/20,700,134.64
  6. Step 6: Final answer
    x = 22,560,922.90

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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.