Home / 42,398,015.40-63,597,023.10-15,135,092.10

Finding the Fourth Proportional to 42,398,015.40, 63,597,023.10 and 15,135,092.10

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Solution

The fourth proportional to 42,398,015.40, 63,597,023.10 and 15,135,092.10 is: 22,702,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398,015.40 : 63,597,023.10 = 15,135,092.10 : x
  2. Step 2: Convert to fraction form
    42,398,015.40/63,597,023.10 = 15,135,092.10/x
  3. Step 3: Cross multiply
    42,398,015.40x = 63,597,023.10 × 15,135,092.10
  4. Step 4: Simplify right side
    42,398,015.40x = 962,546,801,904,327.50
  5. Step 5: Solve for x
    x = 962,546,801,904,327.50/42,398,015.40
  6. Step 6: Final answer
    x = 22,702,638.15

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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.