Home / 19,561,344.20-29,342,016.30-12,286,507.40

Finding the Fourth Proportional to 19,561,344.20, 29,342,016.30 and 12,286,507.40

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Solution

The fourth proportional to 19,561,344.20, 29,342,016.30 and 12,286,507.40 is: 18,429,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,344.20 : 29,342,016.30 = 12,286,507.40 : x
  2. Step 2: Convert to fraction form
    19,561,344.20/29,342,016.30 = 12,286,507.40/x
  3. Step 3: Cross multiply
    19,561,344.20x = 29,342,016.30 × 12,286,507.40
  4. Step 4: Simplify right side
    19,561,344.20x = 360,510,900,400,870.62
  5. Step 5: Solve for x
    x = 360,510,900,400,870.62/19,561,344.20
  6. Step 6: Final answer
    x = 18,429,761.10

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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.