Home / 8,540,152.30-12,810,228.45-8,171,569.90

Finding the Fourth Proportional to 8,540,152.30, 12,810,228.45 and 8,171,569.90

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Solution

The fourth proportional to 8,540,152.30, 12,810,228.45 and 8,171,569.90 is: 12,257,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,152.30 : 12,810,228.45 = 8,171,569.90 : x
  2. Step 2: Convert to fraction form
    8,540,152.30/12,810,228.45 = 8,171,569.90/x
  3. Step 3: Cross multiply
    8,540,152.30x = 12,810,228.45 × 8,171,569.90
  4. Step 4: Simplify right side
    8,540,152.30x = 104,679,677,214,143.66
  5. Step 5: Solve for x
    x = 104,679,677,214,143.66/8,540,152.30
  6. Step 6: Final answer
    x = 12,257,354.85

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.