Home / 8,084,740.20-12,127,110.30-7,340,722.80

Finding the Fourth Proportional to 8,084,740.20, 12,127,110.30 and 7,340,722.80

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Solution

The fourth proportional to 8,084,740.20, 12,127,110.30 and 7,340,722.80 is: 11,011,084.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,740.20 : 12,127,110.30 = 7,340,722.80 : x
  2. Step 2: Convert to fraction form
    8,084,740.20/12,127,110.30 = 7,340,722.80/x
  3. Step 3: Cross multiply
    8,084,740.20x = 12,127,110.30 × 7,340,722.80
  4. Step 4: Simplify right side
    8,084,740.20x = 89,021,755,077,324.84
  5. Step 5: Solve for x
    x = 89,021,755,077,324.84/8,084,740.20
  6. Step 6: Final answer
    x = 11,011,084.20

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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.