Home / 12,543,813.23-18,812,080.17-5,257,082.59

Finding the Fourth Proportional to 12,543,813.23, 18,812,080.17 and 5,257,082.59

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Solution

The fourth proportional to 12,543,813.23, 18,812,080.17 and 5,257,082.59 is: 7,884,098.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,813.23 : 18,812,080.17 = 5,257,082.59 : x
  2. Step 2: Convert to fraction form
    12,543,813.23/18,812,080.17 = 5,257,082.59/x
  3. Step 3: Cross multiply
    12,543,813.23x = 18,812,080.17 × 5,257,082.59
  4. Step 4: Simplify right side
    12,543,813.23x = 98,896,659,049,330.84
  5. Step 5: Solve for x
    x = 98,896,659,049,330.84/12,543,813.23
  6. Step 6: Final answer
    x = 7,884,098.50

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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.