Home / 8,448,105.60-12,672,262.08-5,587,781.76

Finding the Fourth Proportional to 8,448,105.60, 12,672,262.08 and 5,587,781.76

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Solution

The fourth proportional to 8,448,105.60, 12,672,262.08 and 5,587,781.76 is: 8,381,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,105.60 : 12,672,262.08 = 5,587,781.76 : x
  2. Step 2: Convert to fraction form
    8,448,105.60/12,672,262.08 = 5,587,781.76/x
  3. Step 3: Cross multiply
    8,448,105.60x = 12,672,262.08 × 5,587,781.76
  4. Step 4: Simplify right side
    8,448,105.60x = 70,809,834,908,563.66
  5. Step 5: Solve for x
    x = 70,809,834,908,563.66/8,448,105.60
  6. Step 6: Final answer
    x = 8,381,741.22

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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.