Home / 12,590,955.60-18,886,433.40-11,541,195.60

Finding the Fourth Proportional to 12,590,955.60, 18,886,433.40 and 11,541,195.60

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Solution

The fourth proportional to 12,590,955.60, 18,886,433.40 and 11,541,195.60 is: 17,311,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,955.60 : 18,886,433.40 = 11,541,195.60 : x
  2. Step 2: Convert to fraction form
    12,590,955.60/18,886,433.40 = 11,541,195.60/x
  3. Step 3: Cross multiply
    12,590,955.60x = 18,886,433.40 × 11,541,195.60
  4. Step 4: Simplify right side
    12,590,955.60x = 217,972,022,055,773.03
  5. Step 5: Solve for x
    x = 217,972,022,055,773.03/12,590,955.60
  6. Step 6: Final answer
    x = 17,311,793.40

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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.