Home / 8,268,117.15-12,388,889.70-6,115,781.10

Finding the Fourth Proportional to 8,268,117.15, 12,388,889.70 and 6,115,781.10

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Solution

The fourth proportional to 8,268,117.15, 12,388,889.70 and 6,115,781.10 is: 9,163,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,117.15 : 12,388,889.70 = 6,115,781.10 : x
  2. Step 2: Convert to fraction form
    8,268,117.15/12,388,889.70 = 6,115,781.10/x
  3. Step 3: Cross multiply
    8,268,117.15x = 12,388,889.70 × 6,115,781.10
  4. Step 4: Simplify right side
    8,268,117.15x = 75,767,737,477,244.66
  5. Step 5: Solve for x
    x = 75,767,737,477,244.66/8,268,117.15
  6. Step 6: Final answer
    x = 9,163,844.21

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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.