Home / 8,540,783.28-12,814,126.92-5,342,098.32

Finding the Fourth Proportional to 8,540,783.28, 12,814,126.92 and 5,342,098.32

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Solution

The fourth proportional to 8,540,783.28, 12,814,126.92 and 5,342,098.32 is: 8,014,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,783.28 : 12,814,126.92 = 5,342,098.32 : x
  2. Step 2: Convert to fraction form
    8,540,783.28/12,814,126.92 = 5,342,098.32/x
  3. Step 3: Cross multiply
    8,540,783.28x = 12,814,126.92 × 5,342,098.32
  4. Step 4: Simplify right side
    8,540,783.28x = 68,454,325,891,598.78
  5. Step 5: Solve for x
    x = 68,454,325,891,598.78/8,540,783.28
  6. Step 6: Final answer
    x = 8,014,993.90

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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.