Home / 39,366,352.38-54,325,600.11-21,962,700.30

Finding the Fourth Proportional to 39,366,352.38, 54,325,600.11 and 21,962,700.30

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Solution

The fourth proportional to 39,366,352.38, 54,325,600.11 and 21,962,700.30 is: 30,308,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,366,352.38 : 54,325,600.11 = 21,962,700.30 : x
  2. Step 2: Convert to fraction form
    39,366,352.38/54,325,600.11 = 21,962,700.30/x
  3. Step 3: Cross multiply
    39,366,352.38x = 54,325,600.11 × 21,962,700.30
  4. Step 4: Simplify right side
    39,366,352.38x = 1,193,136,873,833,577
  5. Step 5: Solve for x
    x = 1,193,136,873,833,577/39,366,352.38
  6. Step 6: Final answer
    x = 30,308,545.29

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Double scale
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1.5x scale

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.