Home / 12,889,655.22-17,787,369.49-7,088,436.96

Finding the Fourth Proportional to 12,889,655.22, 17,787,369.49 and 7,088,436.96

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Solution

The fourth proportional to 12,889,655.22, 17,787,369.49 and 7,088,436.96 is: 9,781,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889,655.22 : 17,787,369.49 = 7,088,436.96 : x
  2. Step 2: Convert to fraction form
    12,889,655.22/17,787,369.49 = 7,088,436.96/x
  3. Step 3: Cross multiply
    12,889,655.22x = 17,787,369.49 × 7,088,436.96
  4. Step 4: Simplify right side
    12,889,655.22x = 126,084,647,314,092.34
  5. Step 5: Solve for x
    x = 126,084,647,314,092.34/12,889,655.22
  6. Step 6: Final answer
    x = 9,781,847.94

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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.