Home / 8,756,321.80-13,134,482.70-7,906,016.20

Finding the Fourth Proportional to 8,756,321.80, 13,134,482.70 and 7,906,016.20

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Solution

The fourth proportional to 8,756,321.80, 13,134,482.70 and 7,906,016.20 is: 11,859,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,321.80 : 13,134,482.70 = 7,906,016.20 : x
  2. Step 2: Convert to fraction form
    8,756,321.80/13,134,482.70 = 7,906,016.20/x
  3. Step 3: Cross multiply
    8,756,321.80x = 13,134,482.70 × 7,906,016.20
  4. Step 4: Simplify right side
    8,756,321.80x = 103,841,433,004,819.73
  5. Step 5: Solve for x
    x = 103,841,433,004,819.73/8,756,321.80
  6. Step 6: Final answer
    x = 11,859,024.30

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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.