Home / 20,736,027.70-31,104,041.55-17,451,445.30

Finding the Fourth Proportional to 20,736,027.70, 31,104,041.55 and 17,451,445.30

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Solution

The fourth proportional to 20,736,027.70, 31,104,041.55 and 17,451,445.30 is: 26,177,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,027.70 : 31,104,041.55 = 17,451,445.30 : x
  2. Step 2: Convert to fraction form
    20,736,027.70/31,104,041.55 = 17,451,445.30/x
  3. Step 3: Cross multiply
    20,736,027.70x = 31,104,041.55 × 17,451,445.30
  4. Step 4: Simplify right side
    20,736,027.70x = 542,810,479,718,752.25
  5. Step 5: Solve for x
    x = 542,810,479,718,752.25/20,736,027.70
  6. Step 6: Final answer
    x = 26,177,167.95

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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.