Home / 15,985,849.92-22,060,425.76-8,643,630.72

Finding the Fourth Proportional to 15,985,849.92, 22,060,425.76 and 8,643,630.72

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Solution

The fourth proportional to 15,985,849.92, 22,060,425.76 and 8,643,630.72 is: 11,928,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985,849.92 : 22,060,425.76 = 8,643,630.72 : x
  2. Step 2: Convert to fraction form
    15,985,849.92/22,060,425.76 = 8,643,630.72/x
  3. Step 3: Cross multiply
    15,985,849.92x = 22,060,425.76 × 8,643,630.72
  4. Step 4: Simplify right side
    15,985,849.92x = 190,682,173,795,415.38
  5. Step 5: Solve for x
    x = 190,682,173,795,415.38/15,985,849.92
  6. Step 6: Final answer
    x = 11,928,184.91

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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.