Home / 8,503,400.40-12,755,100.60-6,988,793.55

Finding the Fourth Proportional to 8,503,400.40, 12,755,100.60 and 6,988,793.55

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Solution

The fourth proportional to 8,503,400.40, 12,755,100.60 and 6,988,793.55 is: 10,483,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,400.40 : 12,755,100.60 = 6,988,793.55 : x
  2. Step 2: Convert to fraction form
    8,503,400.40/12,755,100.60 = 6,988,793.55/x
  3. Step 3: Cross multiply
    8,503,400.40x = 12,755,100.60 × 6,988,793.55
  4. Step 4: Simplify right side
    8,503,400.40x = 89,142,764,802,881.12
  5. Step 5: Solve for x
    x = 89,142,764,802,881.12/8,503,400.40
  6. Step 6: Final answer
    x = 10,483,190.33

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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.