Home / 18,682,125.40-28,024,062.90-5,903,630.20

Finding the Fourth Proportional to 18,682,125.40, 28,024,062.90 and 5,903,630.20

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Solution

The fourth proportional to 18,682,125.40, 28,024,062.90 and 5,903,630.20 is: 8,855,721.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,125.40 : 28,024,062.90 = 5,903,630.20 : x
  2. Step 2: Convert to fraction form
    18,682,125.40/28,024,062.90 = 5,903,630.20/x
  3. Step 3: Cross multiply
    18,682,125.40x = 28,024,062.90 × 5,903,630.20
  4. Step 4: Simplify right side
    18,682,125.40x = 165,443,704,063,139.56
  5. Step 5: Solve for x
    x = 165,443,704,063,139.56/18,682,125.40
  6. Step 6: Final answer
    x = 8,855,721.74

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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.