Home / 9,115,932.40-12,579,884.68-4,986,082.16

Finding the Fourth Proportional to 9,115,932.40, 12,579,884.68 and 4,986,082.16

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Solution

The fourth proportional to 9,115,932.40, 12,579,884.68 and 4,986,082.16 is: 6,880,737.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115,932.40 : 12,579,884.68 = 4,986,082.16 : x
  2. Step 2: Convert to fraction form
    9,115,932.40/12,579,884.68 = 4,986,082.16/x
  3. Step 3: Cross multiply
    9,115,932.40x = 12,579,884.68 × 4,986,082.16
  4. Step 4: Simplify right side
    9,115,932.40x = 62,724,338,577,805.31
  5. Step 5: Solve for x
    x = 62,724,338,577,805.31/9,115,932.40
  6. Step 6: Final answer
    x = 6,880,737.57

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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.