Home / 20,736,046.70-31,104,070.05-16,453,025.90

Finding the Fourth Proportional to 20,736,046.70, 31,104,070.05 and 16,453,025.90

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Solution

The fourth proportional to 20,736,046.70, 31,104,070.05 and 16,453,025.90 is: 24,679,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,046.70 : 31,104,070.05 = 16,453,025.90 : x
  2. Step 2: Convert to fraction form
    20,736,046.70/31,104,070.05 = 16,453,025.90/x
  3. Step 3: Cross multiply
    20,736,046.70x = 31,104,070.05 × 16,453,025.90
  4. Step 4: Simplify right side
    20,736,046.70x = 511,756,070,128,064.31
  5. Step 5: Solve for x
    x = 511,756,070,128,064.31/20,736,046.70
  6. Step 6: Final answer
    x = 24,679,538.85

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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.