Home / 12,210,009.30-18,336,009.15-8,640,825.30

Finding the Fourth Proportional to 12,210,009.30, 18,336,009.15 and 8,640,825.30

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Solution

The fourth proportional to 12,210,009.30, 18,336,009.15 and 8,640,825.30 is: 12,976,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210,009.30 : 18,336,009.15 = 8,640,825.30 : x
  2. Step 2: Convert to fraction form
    12,210,009.30/18,336,009.15 = 8,640,825.30/x
  3. Step 3: Cross multiply
    12,210,009.30x = 18,336,009.15 × 8,640,825.30
  4. Step 4: Simplify right side
    12,210,009.30x = 158,438,251,764,351.50
  5. Step 5: Solve for x
    x = 158,438,251,764,351.50/12,210,009.30
  6. Step 6: Final answer
    x = 12,976,095.91

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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.