Home / 8,295,305.60-12,442,958.40-6,878,129.60

Finding the Fourth Proportional to 8,295,305.60, 12,442,958.40 and 6,878,129.60

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Solution

The fourth proportional to 8,295,305.60, 12,442,958.40 and 6,878,129.60 is: 10,317,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,295,305.60 : 12,442,958.40 = 6,878,129.60 : x
  2. Step 2: Convert to fraction form
    8,295,305.60/12,442,958.40 = 6,878,129.60/x
  3. Step 3: Cross multiply
    8,295,305.60x = 12,442,958.40 × 6,878,129.60
  4. Step 4: Simplify right side
    8,295,305.60x = 85,584,280,482,608.64
  5. Step 5: Solve for x
    x = 85,584,280,482,608.64/8,295,305.60
  6. Step 6: Final answer
    x = 10,317,194.40

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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.