Home / 15,362,628.60-21,200,268.06-8,486,661.72

Finding the Fourth Proportional to 15,362,628.60, 21,200,268.06 and 8,486,661.72

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Solution

The fourth proportional to 15,362,628.60, 21,200,268.06 and 8,486,661.72 is: 11,711,505.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,628.60 : 21,200,268.06 = 8,486,661.72 : x
  2. Step 2: Convert to fraction form
    15,362,628.60/21,200,268.06 = 8,486,661.72/x
  3. Step 3: Cross multiply
    15,362,628.60x = 21,200,268.06 × 8,486,661.72
  4. Step 4: Simplify right side
    15,362,628.60x = 179,919,503,398,540.66
  5. Step 5: Solve for x
    x = 179,919,503,398,540.66/15,362,628.60
  6. Step 6: Final answer
    x = 11,711,505.11

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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.