Home / 8,084,809.70-12,127,214.55-7,340,792.30

Finding the Fourth Proportional to 8,084,809.70, 12,127,214.55 and 7,340,792.30

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Solution

The fourth proportional to 8,084,809.70, 12,127,214.55 and 7,340,792.30 is: 11,011,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084,809.70 : 12,127,214.55 = 7,340,792.30 : x
  2. Step 2: Convert to fraction form
    8,084,809.70/12,127,214.55 = 7,340,792.30/x
  3. Step 3: Cross multiply
    8,084,809.70x = 12,127,214.55 × 7,340,792.30
  4. Step 4: Simplify right side
    8,084,809.70x = 89,023,363,189,087.97
  5. Step 5: Solve for x
    x = 89,023,363,189,087.97/8,084,809.70
  6. Step 6: Final answer
    x = 11,011,188.45

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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.