Home / 15,020,149.80-22,520,270.22-5,434,280.94

Finding the Fourth Proportional to 15,020,149.80, 22,520,270.22 and 5,434,280.94

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Solution

The fourth proportional to 15,020,149.80, 22,520,270.22 and 5,434,280.94 is: 8,147,819.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020,149.80 : 22,520,270.22 = 5,434,280.94 : x
  2. Step 2: Convert to fraction form
    15,020,149.80/22,520,270.22 = 5,434,280.94/x
  3. Step 3: Cross multiply
    15,020,149.80x = 22,520,270.22 × 5,434,280.94
  4. Step 4: Simplify right side
    15,020,149.80x = 122,381,475,220,195.61
  5. Step 5: Solve for x
    x = 122,381,475,220,195.61/15,020,149.80
  6. Step 6: Final answer
    x = 8,147,819.89

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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.