Home / 20,214,201.15-30,321,301.73-9,452,520.90

Finding the Fourth Proportional to 20,214,201.15, 30,321,301.73 and 9,452,520.90

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Solution

The fourth proportional to 20,214,201.15, 30,321,301.73 and 9,452,520.90 is: 14,178,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214,201.15 : 30,321,301.73 = 9,452,520.90 : x
  2. Step 2: Convert to fraction form
    20,214,201.15/30,321,301.73 = 9,452,520.90/x
  3. Step 3: Cross multiply
    20,214,201.15x = 30,321,301.73 × 9,452,520.90
  4. Step 4: Simplify right side
    20,214,201.15x = 286,612,738,318,031.19
  5. Step 5: Solve for x
    x = 286,612,738,318,031.19/20,214,201.15
  6. Step 6: Final answer
    x = 14,178,781.35

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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.