Home / 12,210,007.30-18,336,006.15-8,640,823.30

Finding the Fourth Proportional to 12,210,007.30, 18,336,006.15 and 8,640,823.30

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Solution

The fourth proportional to 12,210,007.30, 18,336,006.15 and 8,640,823.30 is: 12,976,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,007.30 : 18,336,006.15 = 8,640,823.30 : x
  2. Step 2: Convert to fraction form
    12,210,007.30/18,336,006.15 = 8,640,823.30/x
  3. Step 3: Cross multiply
    12,210,007.30x = 18,336,006.15 × 8,640,823.30
  4. Step 4: Simplify right side
    12,210,007.30x = 158,438,189,169,863.28
  5. Step 5: Solve for x
    x = 158,438,189,169,863.28/12,210,007.30
  6. Step 6: Final answer
    x = 12,976,092.91

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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.