Home / 20,684,759.55-31,027,139.33-17,496,113.55

Finding the Fourth Proportional to 20,684,759.55, 31,027,139.33 and 17,496,113.55

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Solution

The fourth proportional to 20,684,759.55, 31,027,139.33 and 17,496,113.55 is: 26,244,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,759.55 : 31,027,139.33 = 17,496,113.55 : x
  2. Step 2: Convert to fraction form
    20,684,759.55/31,027,139.33 = 17,496,113.55/x
  3. Step 3: Cross multiply
    20,684,759.55x = 31,027,139.33 × 17,496,113.55
  4. Step 4: Simplify right side
    20,684,759.55x = 542,854,352,761,870.38
  5. Step 5: Solve for x
    x = 542,854,352,761,870.38/20,684,759.55
  6. Step 6: Final answer
    x = 26,244,170.33

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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.