Home / 14,687,780.41-20,268,733.87-8,161,242.06

Finding the Fourth Proportional to 14,687,780.41, 20,268,733.87 and 8,161,242.06

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Solution

The fourth proportional to 14,687,780.41, 20,268,733.87 and 8,161,242.06 is: 11,262,290.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,780.41 : 20,268,733.87 = 8,161,242.06 : x
  2. Step 2: Convert to fraction form
    14,687,780.41/20,268,733.87 = 8,161,242.06/x
  3. Step 3: Cross multiply
    14,687,780.41x = 20,268,733.87 × 8,161,242.06
  4. Step 4: Simplify right side
    14,687,780.41x = 165,418,043,409,015.12
  5. Step 5: Solve for x
    x = 165,418,043,409,015.12/14,687,780.41
  6. Step 6: Final answer
    x = 11,262,290.07

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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.