Home / 12,062,712.60-18,091,995.30-4,485,778.20

Finding the Fourth Proportional to 12,062,712.60, 18,091,995.30 and 4,485,778.20

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Solution

The fourth proportional to 12,062,712.60, 18,091,995.30 and 4,485,778.20 is: 6,727,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,712.60 : 18,091,995.30 = 4,485,778.20 : x
  2. Step 2: Convert to fraction form
    12,062,712.60/18,091,995.30 = 4,485,778.20/x
  3. Step 3: Cross multiply
    12,062,712.60x = 18,091,995.30 × 4,485,778.20
  4. Step 4: Simplify right side
    12,062,712.60x = 81,156,678,111,242.47
  5. Step 5: Solve for x
    x = 81,156,678,111,242.47/12,062,712.60
  6. Step 6: Final answer
    x = 6,727,896.19

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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.