Home / 10,425,432.20-15,638,148.30-2,749,062.20

Finding the Fourth Proportional to 10,425,432.20, 15,638,148.30 and 2,749,062.20

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Solution

The fourth proportional to 10,425,432.20, 15,638,148.30 and 2,749,062.20 is: 4,123,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425,432.20 : 15,638,148.30 = 2,749,062.20 : x
  2. Step 2: Convert to fraction form
    10,425,432.20/15,638,148.30 = 2,749,062.20/x
  3. Step 3: Cross multiply
    10,425,432.20x = 15,638,148.30 × 2,749,062.20
  4. Step 4: Simplify right side
    10,425,432.20x = 42,990,242,369,524.27
  5. Step 5: Solve for x
    x = 42,990,242,369,524.27/10,425,432.20
  6. Step 6: Final answer
    x = 4,123,593.30

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Double scale
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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.