Home / 8,113,879.30-12,177,576.78-4,277,079.40

Finding the Fourth Proportional to 8,113,879.30, 12,177,576.78 and 4,277,079.40

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Solution

The fourth proportional to 8,113,879.30, 12,177,576.78 and 4,277,079.40 is: 6,419,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113,879.30 : 12,177,576.78 = 4,277,079.40 : x
  2. Step 2: Convert to fraction form
    8,113,879.30/12,177,576.78 = 4,277,079.40/x
  3. Step 3: Cross multiply
    8,113,879.30x = 12,177,576.78 × 4,277,079.40
  4. Step 4: Simplify right side
    8,113,879.30x = 52,084,462,787,656.34
  5. Step 5: Solve for x
    x = 52,084,462,787,656.34/8,113,879.30
  6. Step 6: Final answer
    x = 6,419,181.36

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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.