Home / 8,877,105.81-12,258,866.61-8,393,487.56

Finding the Fourth Proportional to 8,877,105.81, 12,258,866.61 and 8,393,487.56

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Solution

The fourth proportional to 8,877,105.81, 12,258,866.61 and 8,393,487.56 is: 11,591,012.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877,105.81 : 12,258,866.61 = 8,393,487.56 : x
  2. Step 2: Convert to fraction form
    8,877,105.81/12,258,866.61 = 8,393,487.56/x
  3. Step 3: Cross multiply
    8,877,105.81x = 12,258,866.61 × 8,393,487.56
  4. Step 4: Simplify right side
    8,877,105.81x = 102,894,644,329,440.03
  5. Step 5: Solve for x
    x = 102,894,644,329,440.03/8,877,105.81
  6. Step 6: Final answer
    x = 11,591,012.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.