Home / 25,662,464.64-38,469,585.60-8,611,179.84

Finding the Fourth Proportional to 25,662,464.64, 38,469,585.60 and 8,611,179.84

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Solution

The fourth proportional to 25,662,464.64, 38,469,585.60 and 8,611,179.84 is: 12,908,679.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,662,464.64 : 38,469,585.60 = 8,611,179.84 : x
  2. Step 2: Convert to fraction form
    25,662,464.64/38,469,585.60 = 8,611,179.84/x
  3. Step 3: Cross multiply
    25,662,464.64x = 38,469,585.60 × 8,611,179.84
  4. Step 4: Simplify right side
    25,662,464.64x = 331,268,519,971,874.31
  5. Step 5: Solve for x
    x = 331,268,519,971,874.31/25,662,464.64
  6. Step 6: Final answer
    x = 12,908,679.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.