Home / 14,687,928.32-20,268,938.21-8,161,390.17

Finding the Fourth Proportional to 14,687,928.32, 20,268,938.21 and 8,161,390.17

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Solution

The fourth proportional to 14,687,928.32, 20,268,938.21 and 8,161,390.17 is: 11,262,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687,928.32 : 20,268,938.21 = 8,161,390.17 : x
  2. Step 2: Convert to fraction form
    14,687,928.32/20,268,938.21 = 8,161,390.17/x
  3. Step 3: Cross multiply
    14,687,928.32x = 20,268,938.21 × 8,161,390.17
  4. Step 4: Simplify right side
    14,687,928.32x = 165,422,713,022,624.44
  5. Step 5: Solve for x
    x = 165,422,713,022,624.44/14,687,928.32
  6. Step 6: Final answer
    x = 11,262,494.58

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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.