Home / 17,386,921.20-26,080,381.80-12,285,087.60

Finding the Fourth Proportional to 17,386,921.20, 26,080,381.80 and 12,285,087.60

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Solution

The fourth proportional to 17,386,921.20, 26,080,381.80 and 12,285,087.60 is: 18,427,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386,921.20 : 26,080,381.80 = 12,285,087.60 : x
  2. Step 2: Convert to fraction form
    17,386,921.20/26,080,381.80 = 12,285,087.60/x
  3. Step 3: Cross multiply
    17,386,921.20x = 26,080,381.80 × 12,285,087.60
  4. Step 4: Simplify right side
    17,386,921.20x = 320,399,775,054,445.69
  5. Step 5: Solve for x
    x = 320,399,775,054,445.69/17,386,921.20
  6. Step 6: Final answer
    x = 18,427,631.40

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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.