Home / 9,665,676.91-13,326,251.88-7,916,903.92

Finding the Fourth Proportional to 9,665,676.91, 13,326,251.88 and 7,916,903.92

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Solution

The fourth proportional to 9,665,676.91, 13,326,251.88 and 7,916,903.92 is: 10,915,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665,676.91 : 13,326,251.88 = 7,916,903.92 : x
  2. Step 2: Convert to fraction form
    9,665,676.91/13,326,251.88 = 7,916,903.92/x
  3. Step 3: Cross multiply
    9,665,676.91x = 13,326,251.88 × 7,916,903.92
  4. Step 4: Simplify right side
    9,665,676.91x = 105,502,655,747,679.38
  5. Step 5: Solve for x
    x = 105,502,655,747,679.38/9,665,676.91
  6. Step 6: Final answer
    x = 10,915,185.43

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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.