Home / 7,240,046.40-10,862,431.92-3,453,037.20

Finding the Fourth Proportional to 7,240,046.40, 10,862,431.92 and 3,453,037.20

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Solution

The fourth proportional to 7,240,046.40, 10,862,431.92 and 3,453,037.20 is: 5,180,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,046.40 : 10,862,431.92 = 3,453,037.20 : x
  2. Step 2: Convert to fraction form
    7,240,046.40/10,862,431.92 = 3,453,037.20/x
  3. Step 3: Cross multiply
    7,240,046.40x = 10,862,431.92 × 3,453,037.20
  4. Step 4: Simplify right side
    7,240,046.40x = 37,508,381,502,227.42
  5. Step 5: Solve for x
    x = 37,508,381,502,227.42/7,240,046.40
  6. Step 6: Final answer
    x = 5,180,682.47

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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.