Home / 39,348,843.40-59,023,265.10-12,419,000.20

Finding the Fourth Proportional to 39,348,843.40, 59,023,265.10 and 12,419,000.20

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Solution

The fourth proportional to 39,348,843.40, 59,023,265.10 and 12,419,000.20 is: 18,628,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,348,843.40 : 59,023,265.10 = 12,419,000.20 : x
  2. Step 2: Convert to fraction form
    39,348,843.40/59,023,265.10 = 12,419,000.20/x
  3. Step 3: Cross multiply
    39,348,843.40x = 59,023,265.10 × 12,419,000.20
  4. Step 4: Simplify right side
    39,348,843.40x = 733,009,941,081,553
  5. Step 5: Solve for x
    x = 733,009,941,081,553/39,348,843.40
  6. Step 6: Final answer
    x = 18,628,500.30

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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.