Home / 8,917,665.80-13,376,498.70-5,327,486.60

Finding the Fourth Proportional to 8,917,665.80, 13,376,498.70 and 5,327,486.60

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Solution

The fourth proportional to 8,917,665.80, 13,376,498.70 and 5,327,486.60 is: 7,991,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,665.80 : 13,376,498.70 = 5,327,486.60 : x
  2. Step 2: Convert to fraction form
    8,917,665.80/13,376,498.70 = 5,327,486.60/x
  3. Step 3: Cross multiply
    8,917,665.80x = 13,376,498.70 × 5,327,486.60
  4. Step 4: Simplify right side
    8,917,665.80x = 71,263,117,579,167.41
  5. Step 5: Solve for x
    x = 71,263,117,579,167.41/8,917,665.80
  6. Step 6: Final answer
    x = 7,991,229.90

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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.