Home / 20,858,023.10-31,287,034.65-14,487,923.90

Finding the Fourth Proportional to 20,858,023.10, 31,287,034.65 and 14,487,923.90

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Solution

The fourth proportional to 20,858,023.10, 31,287,034.65 and 14,487,923.90 is: 21,731,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,858,023.10 : 31,287,034.65 = 14,487,923.90 : x
  2. Step 2: Convert to fraction form
    20,858,023.10/31,287,034.65 = 14,487,923.90/x
  3. Step 3: Cross multiply
    20,858,023.10x = 31,287,034.65 × 14,487,923.90
  4. Step 4: Simplify right side
    20,858,023.10x = 453,284,177,065,863.12
  5. Step 5: Solve for x
    x = 453,284,177,065,863.12/20,858,023.10
  6. Step 6: Final answer
    x = 21,731,885.85

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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.