Home / 25,654,107.20-38,427,506.40-12,018,891.20

Finding the Fourth Proportional to 25,654,107.20, 38,427,506.40 and 12,018,891.20

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Solution

The fourth proportional to 25,654,107.20, 38,427,506.40 and 12,018,891.20 is: 18,003,199.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,654,107.20 : 38,427,506.40 = 12,018,891.20 : x
  2. Step 2: Convert to fraction form
    25,654,107.20/38,427,506.40 = 12,018,891.20/x
  3. Step 3: Cross multiply
    25,654,107.20x = 38,427,506.40 × 12,018,891.20
  4. Step 4: Simplify right side
    25,654,107.20x = 461,856,018,508,903.62
  5. Step 5: Solve for x
    x = 461,856,018,508,903.62/25,654,107.20
  6. Step 6: Final answer
    x = 18,003,199.83

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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.