Home / 12,838,504.36-17,687,359.50-8,964,889.96

Finding the Fourth Proportional to 12,838,504.36, 17,687,359.50 and 8,964,889.96

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Solution

The fourth proportional to 12,838,504.36, 17,687,359.50 and 8,964,889.96 is: 12,350,755.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,504.36 : 17,687,359.50 = 8,964,889.96 : x
  2. Step 2: Convert to fraction form
    12,838,504.36/17,687,359.50 = 8,964,889.96/x
  3. Step 3: Cross multiply
    12,838,504.36x = 17,687,359.50 × 8,964,889.96
  4. Step 4: Simplify right side
    12,838,504.36x = 158,565,231,600,460.62
  5. Step 5: Solve for x
    x = 158,565,231,600,460.62/12,838,504.36
  6. Step 6: Final answer
    x = 12,350,755.75

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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.