Home / 8,906,568.30-13,359,852.45-7,879,115.70

Finding the Fourth Proportional to 8,906,568.30, 13,359,852.45 and 7,879,115.70

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Solution

The fourth proportional to 8,906,568.30, 13,359,852.45 and 7,879,115.70 is: 11,818,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906,568.30 : 13,359,852.45 = 7,879,115.70 : x
  2. Step 2: Convert to fraction form
    8,906,568.30/13,359,852.45 = 7,879,115.70/x
  3. Step 3: Cross multiply
    8,906,568.30x = 13,359,852.45 × 7,879,115.70
  4. Step 4: Simplify right side
    8,906,568.30x = 105,263,823,188,478.47
  5. Step 5: Solve for x
    x = 105,263,823,188,478.47/8,906,568.30
  6. Step 6: Final answer
    x = 11,818,673.55

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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.