Home / 25,344,114.40-38,016,171.60-20,865,138.40

Finding the Fourth Proportional to 25,344,114.40, 38,016,171.60 and 20,865,138.40

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Solution

The fourth proportional to 25,344,114.40, 38,016,171.60 and 20,865,138.40 is: 31,297,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,344,114.40 : 38,016,171.60 = 20,865,138.40 : x
  2. Step 2: Convert to fraction form
    25,344,114.40/38,016,171.60 = 20,865,138.40/x
  3. Step 3: Cross multiply
    25,344,114.40x = 38,016,171.60 × 20,865,138.40
  4. Step 4: Simplify right side
    25,344,114.40x = 793,212,681,872,149.38
  5. Step 5: Solve for x
    x = 793,212,681,872,149.38/25,344,114.40
  6. Step 6: Final answer
    x = 31,297,707.60

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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.