Home / 13,468,508.30-18,581,931.15-7,665,838.22

Finding the Fourth Proportional to 13,468,508.30, 18,581,931.15 and 7,665,838.22

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Solution

The fourth proportional to 13,468,508.30, 18,581,931.15 and 7,665,838.22 is: 10,576,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,508.30 : 18,581,931.15 = 7,665,838.22 : x
  2. Step 2: Convert to fraction form
    13,468,508.30/18,581,931.15 = 7,665,838.22/x
  3. Step 3: Cross multiply
    13,468,508.30x = 18,581,931.15 × 7,665,838.22
  4. Step 4: Simplify right side
    13,468,508.30x = 142,446,078,011,078.53
  5. Step 5: Solve for x
    x = 142,446,078,011,078.53/13,468,508.30
  6. Step 6: Final answer
    x = 10,576,232.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.