Home / 10,434,433.80-15,651,650.70-7,187,176.20

Finding the Fourth Proportional to 10,434,433.80, 15,651,650.70 and 7,187,176.20

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Solution

The fourth proportional to 10,434,433.80, 15,651,650.70 and 7,187,176.20 is: 10,780,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434,433.80 : 15,651,650.70 = 7,187,176.20 : x
  2. Step 2: Convert to fraction form
    10,434,433.80/15,651,650.70 = 7,187,176.20/x
  3. Step 3: Cross multiply
    10,434,433.80x = 15,651,650.70 × 7,187,176.20
  4. Step 4: Simplify right side
    10,434,433.80x = 112,491,171,401,753.34
  5. Step 5: Solve for x
    x = 112,491,171,401,753.34/10,434,433.80
  6. Step 6: Final answer
    x = 10,780,764.30

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Double scale
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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.