Home / 8,160,909.60-12,241,364.40-7,265,114.40

Finding the Fourth Proportional to 8,160,909.60, 12,241,364.40 and 7,265,114.40

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Solution

The fourth proportional to 8,160,909.60, 12,241,364.40 and 7,265,114.40 is: 10,897,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,909.60 : 12,241,364.40 = 7,265,114.40 : x
  2. Step 2: Convert to fraction form
    8,160,909.60/12,241,364.40 = 7,265,114.40/x
  3. Step 3: Cross multiply
    8,160,909.60x = 12,241,364.40 × 7,265,114.40
  4. Step 4: Simplify right side
    8,160,909.60x = 88,934,912,778,087.38
  5. Step 5: Solve for x
    x = 88,934,912,778,087.38/8,160,909.60
  6. Step 6: Final answer
    x = 10,897,671.60

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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.