Home / 10,155,328.68-15,236,785.12-4,091,780.66

Finding the Fourth Proportional to 10,155,328.68, 15,236,785.12 and 4,091,780.66

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Solution

The fourth proportional to 10,155,328.68, 15,236,785.12 and 4,091,780.66 is: 6,139,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,328.68 : 15,236,785.12 = 4,091,780.66 : x
  2. Step 2: Convert to fraction form
    10,155,328.68/15,236,785.12 = 4,091,780.66/x
  3. Step 3: Cross multiply
    10,155,328.68x = 15,236,785.12 × 4,091,780.66
  4. Step 4: Simplify right side
    10,155,328.68x = 62,345,582,674,591.78
  5. Step 5: Solve for x
    x = 62,345,582,674,591.78/10,155,328.68
  6. Step 6: Final answer
    x = 6,139,198.90

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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.