Home / 8,921,321.40-13,392,479.70-8,858,335.80

Finding the Fourth Proportional to 8,921,321.40, 13,392,479.70 and 8,858,335.80

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Solution

The fourth proportional to 8,921,321.40, 13,392,479.70 and 8,858,335.80 is: 13,297,927.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,321.40 : 13,392,479.70 = 8,858,335.80 : x
  2. Step 2: Convert to fraction form
    8,921,321.40/13,392,479.70 = 8,858,335.80/x
  3. Step 3: Cross multiply
    8,921,321.40x = 13,392,479.70 × 8,858,335.80
  4. Step 4: Simplify right side
    8,921,321.40x = 118,635,082,377,283.27
  5. Step 5: Solve for x
    x = 118,635,082,377,283.27/8,921,321.40
  6. Step 6: Final answer
    x = 13,297,927.19

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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.