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Finding the Fourth Proportional to 8,863,992.07, 12,238,002.23 and 5,560,815.17

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Solution

The fourth proportional to 8,863,992.07, 12,238,002.23 and 5,560,815.17 is: 7,677,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863,992.07 : 12,238,002.23 = 5,560,815.17 : x
  2. Step 2: Convert to fraction form
    8,863,992.07/12,238,002.23 = 5,560,815.17/x
  3. Step 3: Cross multiply
    8,863,992.07x = 12,238,002.23 × 5,560,815.17
  4. Step 4: Simplify right side
    8,863,992.07x = 68,053,268,453,868.76
  5. Step 5: Solve for x
    x = 68,053,268,453,868.76/8,863,992.07
  6. Step 6: Final answer
    x = 7,677,496.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.