Home / 11,658,046.20-17,487,069.30-8,485,438.20

Finding the Fourth Proportional to 11,658,046.20, 17,487,069.30 and 8,485,438.20

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Solution

The fourth proportional to 11,658,046.20, 17,487,069.30 and 8,485,438.20 is: 12,728,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658,046.20 : 17,487,069.30 = 8,485,438.20 : x
  2. Step 2: Convert to fraction form
    11,658,046.20/17,487,069.30 = 8,485,438.20/x
  3. Step 3: Cross multiply
    11,658,046.20x = 17,487,069.30 × 8,485,438.20
  4. Step 4: Simplify right side
    11,658,046.20x = 148,385,445,844,267.25
  5. Step 5: Solve for x
    x = 148,385,445,844,267.25/11,658,046.20
  6. Step 6: Final answer
    x = 12,728,157.30

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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.