Home / 15,985,850.92-22,060,427.14-8,643,631.72

Finding the Fourth Proportional to 15,985,850.92, 22,060,427.14 and 8,643,631.72

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Solution

The fourth proportional to 15,985,850.92, 22,060,427.14 and 8,643,631.72 is: 11,928,186.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985,850.92 : 22,060,427.14 = 8,643,631.72 : x
  2. Step 2: Convert to fraction form
    15,985,850.92/22,060,427.14 = 8,643,631.72/x
  3. Step 3: Cross multiply
    15,985,850.92x = 22,060,427.14 × 8,643,631.72
  4. Step 4: Simplify right side
    15,985,850.92x = 190,682,207,784,052.91
  5. Step 5: Solve for x
    x = 190,682,207,784,052.91/15,985,850.92
  6. Step 6: Final answer
    x = 11,928,186.29

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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.