Home / 8,756,003.20-13,109,121.60-7,760,675.20

Finding the Fourth Proportional to 8,756,003.20, 13,109,121.60 and 7,760,675.20

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Solution

The fourth proportional to 8,756,003.20, 13,109,121.60 and 7,760,675.20 is: 11,618,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,003.20 : 13,109,121.60 = 7,760,675.20 : x
  2. Step 2: Convert to fraction form
    8,756,003.20/13,109,121.60 = 7,760,675.20/x
  3. Step 3: Cross multiply
    8,756,003.20x = 13,109,121.60 × 7,760,675.20
  4. Step 4: Simplify right side
    8,756,003.20x = 101,735,634,894,904.31
  5. Step 5: Solve for x
    x = 101,735,634,894,904.31/8,756,003.20
  6. Step 6: Final answer
    x = 11,618,958.17

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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.