Home / 8,173,611.60-12,261,435.24-2,781,847.68

Finding the Fourth Proportional to 8,173,611.60, 12,261,435.24 and 2,781,847.68

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Solution

The fourth proportional to 8,173,611.60, 12,261,435.24 and 2,781,847.68 is: 4,173,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,611.60 : 12,261,435.24 = 2,781,847.68 : x
  2. Step 2: Convert to fraction form
    8,173,611.60/12,261,435.24 = 2,781,847.68/x
  3. Step 3: Cross multiply
    8,173,611.60x = 12,261,435.24 × 2,781,847.68
  4. Step 4: Simplify right side
    8,173,611.60x = 34,109,445,175,864.25
  5. Step 5: Solve for x
    x = 34,109,445,175,864.25/8,173,611.60
  6. Step 6: Final answer
    x = 4,173,117.94

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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.