Home / 8,696,221.20-12,985,770.60-7,101,946.80

Finding the Fourth Proportional to 8,696,221.20, 12,985,770.60 and 7,101,946.80

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Solution

The fourth proportional to 8,696,221.20, 12,985,770.60 and 7,101,946.80 is: 10,605,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,221.20 : 12,985,770.60 = 7,101,946.80 : x
  2. Step 2: Convert to fraction form
    8,696,221.20/12,985,770.60 = 7,101,946.80/x
  3. Step 3: Cross multiply
    8,696,221.20x = 12,985,770.60 × 7,101,946.80
  4. Step 4: Simplify right side
    8,696,221.20x = 92,224,251,958,204.08
  5. Step 5: Solve for x
    x = 92,224,251,958,204.08/8,696,221.20
  6. Step 6: Final answer
    x = 10,605,095.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.