Home / 12,361,088.30-18,550,489.80-6,964,009.70

Finding the Fourth Proportional to 12,361,088.30, 18,550,489.80 and 6,964,009.70

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Solution

The fourth proportional to 12,361,088.30, 18,550,489.80 and 6,964,009.70 is: 10,451,004.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,088.30 : 18,550,489.80 = 6,964,009.70 : x
  2. Step 2: Convert to fraction form
    12,361,088.30/18,550,489.80 = 6,964,009.70/x
  3. Step 3: Cross multiply
    12,361,088.30x = 18,550,489.80 × 6,964,009.70
  4. Step 4: Simplify right side
    12,361,088.30x = 129,185,790,906,951.06
  5. Step 5: Solve for x
    x = 129,185,790,906,951.06/12,361,088.30
  6. Step 6: Final answer
    x = 10,451,004.62

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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.