Home / 11,988,140.89-16,543,298.49-6,555,516.25

Finding the Fourth Proportional to 11,988,140.89, 16,543,298.49 and 6,555,516.25

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Solution

The fourth proportional to 11,988,140.89, 16,543,298.49 and 6,555,516.25 is: 9,046,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,988,140.89 : 16,543,298.49 = 6,555,516.25 : x
  2. Step 2: Convert to fraction form
    11,988,140.89/16,543,298.49 = 6,555,516.25/x
  3. Step 3: Cross multiply
    11,988,140.89x = 16,543,298.49 × 6,555,516.25
  4. Step 4: Simplify right side
    11,988,140.89x = 108,449,862,079,795.47
  5. Step 5: Solve for x
    x = 108,449,862,079,795.47/11,988,140.89
  6. Step 6: Final answer
    x = 9,046,428.72

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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.