Home / 12,892,114.48-17,791,454.60-7,091,048.48

Finding the Fourth Proportional to 12,892,114.48, 17,791,454.60 and 7,091,048.48

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Solution

The fourth proportional to 12,892,114.48, 17,791,454.60 and 7,091,048.48 is: 9,785,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892,114.48 : 17,791,454.60 = 7,091,048.48 : x
  2. Step 2: Convert to fraction form
    12,892,114.48/17,791,454.60 = 7,091,048.48/x
  3. Step 3: Cross multiply
    12,892,114.48x = 17,791,454.60 × 7,091,048.48
  4. Step 4: Simplify right side
    12,892,114.48x = 126,160,067,098,319.03
  5. Step 5: Solve for x
    x = 126,160,067,098,319.03/12,892,114.48
  6. Step 6: Final answer
    x = 9,785,832.05

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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.