Home / 10,385,630-15,564,519.46-8,082,903.48

Finding the Fourth Proportional to 10,385,630, 15,564,519.46 and 8,082,903.48

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Solution

The fourth proportional to 10,385,630, 15,564,519.46 and 8,082,903.48 is: 12,113,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,630 : 15,564,519.46 = 8,082,903.48 : x
  2. Step 2: Convert to fraction form
    10,385,630/15,564,519.46 = 8,082,903.48/x
  3. Step 3: Cross multiply
    10,385,630x = 15,564,519.46 × 8,082,903.48
  4. Step 4: Simplify right side
    10,385,630x = 125,806,508,507,761.73
  5. Step 5: Solve for x
    x = 125,806,508,507,761.73/10,385,630
  6. Step 6: Final answer
    x = 12,113,517.28

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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.