Home / 13,569,979.50-18,726,716.70-7,375,026.60

Finding the Fourth Proportional to 13,569,979.50, 18,726,716.70 and 7,375,026.60

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Solution

The fourth proportional to 13,569,979.50, 18,726,716.70 and 7,375,026.60 is: 10,177,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569,979.50 : 18,726,716.70 = 7,375,026.60 : x
  2. Step 2: Convert to fraction form
    13,569,979.50/18,726,716.70 = 7,375,026.60/x
  3. Step 3: Cross multiply
    13,569,979.50x = 18,726,716.70 × 7,375,026.60
  4. Step 4: Simplify right side
    13,569,979.50x = 138,110,033,793,164.20
  5. Step 5: Solve for x
    x = 138,110,033,793,164.20/13,569,979.50
  6. Step 6: Final answer
    x = 10,177,615.51

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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.