Home / 15,020,139.80-22,520,255.20-5,434,270.94

Finding the Fourth Proportional to 15,020,139.80, 22,520,255.20 and 5,434,270.94

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Solution

The fourth proportional to 15,020,139.80, 22,520,255.20 and 5,434,270.94 is: 8,147,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020,139.80 : 22,520,255.20 = 5,434,270.94 : x
  2. Step 2: Convert to fraction form
    15,020,139.80/22,520,255.20 = 5,434,270.94/x
  3. Step 3: Cross multiply
    15,020,139.80x = 22,520,255.20 × 5,434,270.94
  4. Step 4: Simplify right side
    15,020,139.80x = 122,381,168,394,743.89
  5. Step 5: Solve for x
    x = 122,381,168,394,743.89/15,020,139.80
  6. Step 6: Final answer
    x = 8,147,804.88

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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.