Home / 12,073,445.60-16,659,842.69-8,161,712.88

Finding the Fourth Proportional to 12,073,445.60, 16,659,842.69 and 8,161,712.88

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Solution

The fourth proportional to 12,073,445.60, 16,659,842.69 and 8,161,712.88 is: 11,262,141.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,073,445.60 : 16,659,842.69 = 8,161,712.88 : x
  2. Step 2: Convert to fraction form
    12,073,445.60/16,659,842.69 = 8,161,712.88/x
  3. Step 3: Cross multiply
    12,073,445.60x = 16,659,842.69 × 8,161,712.88
  4. Step 4: Simplify right side
    12,073,445.60x = 135,972,852,620,938.28
  5. Step 5: Solve for x
    x = 135,972,852,620,938.28/12,073,445.60
  6. Step 6: Final answer
    x = 11,262,141.49

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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.