Home / 18,096,685.20-27,145,027.80-17,312,864.40

Finding the Fourth Proportional to 18,096,685.20, 27,145,027.80 and 17,312,864.40

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Solution

The fourth proportional to 18,096,685.20, 27,145,027.80 and 17,312,864.40 is: 25,969,296.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096,685.20 : 27,145,027.80 = 17,312,864.40 : x
  2. Step 2: Convert to fraction form
    18,096,685.20/27,145,027.80 = 17,312,864.40/x
  3. Step 3: Cross multiply
    18,096,685.20x = 27,145,027.80 × 17,312,864.40
  4. Step 4: Simplify right side
    18,096,685.20x = 469,958,185,435,630.31
  5. Step 5: Solve for x
    x = 469,958,185,435,630.31/18,096,685.20
  6. Step 6: Final answer
    x = 25,969,296.60

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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.