Home / 20,149,251.40-30,223,877.10-5,003,182.90

Finding the Fourth Proportional to 20,149,251.40, 30,223,877.10 and 5,003,182.90

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Solution

The fourth proportional to 20,149,251.40, 30,223,877.10 and 5,003,182.90 is: 7,504,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,251.40 : 30,223,877.10 = 5,003,182.90 : x
  2. Step 2: Convert to fraction form
    20,149,251.40/30,223,877.10 = 5,003,182.90/x
  3. Step 3: Cross multiply
    20,149,251.40x = 30,223,877.10 × 5,003,182.90
  4. Step 4: Simplify right side
    20,149,251.40x = 151,215,585,078,421.59
  5. Step 5: Solve for x
    x = 151,215,585,078,421.59/20,149,251.40
  6. Step 6: Final answer
    x = 7,504,774.35

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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.