Home / 18,223,228.20-27,366,335.10-9,720,172.20

Finding the Fourth Proportional to 18,223,228.20, 27,366,335.10 and 9,720,172.20

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Solution

The fourth proportional to 18,223,228.20, 27,366,335.10 and 9,720,172.20 is: 14,597,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223,228.20 : 27,366,335.10 = 9,720,172.20 : x
  2. Step 2: Convert to fraction form
    18,223,228.20/27,366,335.10 = 9,720,172.20/x
  3. Step 3: Cross multiply
    18,223,228.20x = 27,366,335.10 × 9,720,172.20
  4. Step 4: Simplify right side
    18,223,228.20x = 266,005,489,654,904.22
  5. Step 5: Solve for x
    x = 266,005,489,654,904.22/18,223,228.20
  6. Step 6: Final answer
    x = 14,597,056.39

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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.