Home / 15,986,302.72-22,061,082.20-8,644,118.28

Finding the Fourth Proportional to 15,986,302.72, 22,061,082.20 and 8,644,118.28

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Solution

The fourth proportional to 15,986,302.72, 22,061,082.20 and 8,644,118.28 is: 11,928,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986,302.72 : 22,061,082.20 = 8,644,118.28 : x
  2. Step 2: Convert to fraction form
    15,986,302.72/22,061,082.20 = 8,644,118.28/x
  3. Step 3: Cross multiply
    15,986,302.72x = 22,061,082.20 × 8,644,118.28
  4. Step 4: Simplify right side
    15,986,302.72x = 190,698,603,921,602.59
  5. Step 5: Solve for x
    x = 190,698,603,921,602.59/15,986,302.72
  6. Step 6: Final answer
    x = 11,928,874.82

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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.