Home / 13,495,220.10-20,242,830.15-12,193,517.70

Finding the Fourth Proportional to 13,495,220.10, 20,242,830.15 and 12,193,517.70

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Solution

The fourth proportional to 13,495,220.10, 20,242,830.15 and 12,193,517.70 is: 18,290,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495,220.10 : 20,242,830.15 = 12,193,517.70 : x
  2. Step 2: Convert to fraction form
    13,495,220.10/20,242,830.15 = 12,193,517.70/x
  3. Step 3: Cross multiply
    13,495,220.10x = 20,242,830.15 × 12,193,517.70
  4. Step 4: Simplify right side
    13,495,220.10x = 246,831,307,732,118.62
  5. Step 5: Solve for x
    x = 246,831,307,732,118.62/13,495,220.10
  6. Step 6: Final answer
    x = 18,290,276.55

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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.