Home / 10,106,540.30-15,159,810.45-8,512,217.30

Finding the Fourth Proportional to 10,106,540.30, 15,159,810.45 and 8,512,217.30

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Solution

The fourth proportional to 10,106,540.30, 15,159,810.45 and 8,512,217.30 is: 12,768,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106,540.30 : 15,159,810.45 = 8,512,217.30 : x
  2. Step 2: Convert to fraction form
    10,106,540.30/15,159,810.45 = 8,512,217.30/x
  3. Step 3: Cross multiply
    10,106,540.30x = 15,159,810.45 × 8,512,217.30
  4. Step 4: Simplify right side
    10,106,540.30x = 129,043,600,777,210.80
  5. Step 5: Solve for x
    x = 129,043,600,777,210.80/10,106,540.30
  6. Step 6: Final answer
    x = 12,768,325.95

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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.