Home / 12,217,243.68-16,862,732.61-6,993,280.11

Finding the Fourth Proportional to 12,217,243.68, 16,862,732.61 and 6,993,280.11

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Solution

The fourth proportional to 12,217,243.68, 16,862,732.61 and 6,993,280.11 is: 9,652,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,243.68 : 16,862,732.61 = 6,993,280.11 : x
  2. Step 2: Convert to fraction form
    12,217,243.68/16,862,732.61 = 6,993,280.11/x
  3. Step 3: Cross multiply
    12,217,243.68x = 16,862,732.61 × 6,993,280.11
  4. Step 4: Simplify right side
    12,217,243.68x = 117,925,812,561,761.39
  5. Step 5: Solve for x
    x = 117,925,812,561,761.39/12,217,243.68
  6. Step 6: Final answer
    x = 9,652,407.34

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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.