Home / 37,427,712.90-56,141,569.35-20,421,600.90

Finding the Fourth Proportional to 37,427,712.90, 56,141,569.35 and 20,421,600.90

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Solution

The fourth proportional to 37,427,712.90, 56,141,569.35 and 20,421,600.90 is: 30,632,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,427,712.90 : 56,141,569.35 = 20,421,600.90 : x
  2. Step 2: Convert to fraction form
    37,427,712.90/56,141,569.35 = 20,421,600.90/x
  3. Step 3: Cross multiply
    37,427,712.90x = 56,141,569.35 × 20,421,600.90
  4. Step 4: Simplify right side
    37,427,712.90x = 1,146,500,723,165,372.25
  5. Step 5: Solve for x
    x = 1,146,500,723,165,372.25/37,427,712.90
  6. Step 6: Final answer
    x = 30,632,401.35

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Similar ratio
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1.5x scale

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.