Home / 8,277,713.15-12,420,998.40-3,485,886.80

Finding the Fourth Proportional to 8,277,713.15, 12,420,998.40 and 3,485,886.80

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Solution

The fourth proportional to 8,277,713.15, 12,420,998.40 and 3,485,886.80 is: 5,230,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277,713.15 : 12,420,998.40 = 3,485,886.80 : x
  2. Step 2: Convert to fraction form
    8,277,713.15/12,420,998.40 = 3,485,886.80/x
  3. Step 3: Cross multiply
    8,277,713.15x = 12,420,998.40 × 3,485,886.80
  4. Step 4: Simplify right side
    8,277,713.15x = 43,298,194,365,381.12
  5. Step 5: Solve for x
    x = 43,298,194,365,381.12/8,277,713.15
  6. Step 6: Final answer
    x = 5,230,695.19

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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.