Home / 10,129,358.56-15,196,065.36-3,739,649.76

Finding the Fourth Proportional to 10,129,358.56, 15,196,065.36 and 3,739,649.76

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Solution

The fourth proportional to 10,129,358.56, 15,196,065.36 and 3,739,649.76 is: 5,610,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129,358.56 : 15,196,065.36 = 3,739,649.76 : x
  2. Step 2: Convert to fraction form
    10,129,358.56/15,196,065.36 = 3,739,649.76/x
  3. Step 3: Cross multiply
    10,129,358.56x = 15,196,065.36 × 3,739,649.76
  4. Step 4: Simplify right side
    10,129,358.56x = 56,827,962,176,468.30
  5. Step 5: Solve for x
    x = 56,827,962,176,468.30/10,129,358.56
  6. Step 6: Final answer
    x = 5,610,223.18

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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.