Home / 18,406,587.40-27,609,621.90-8,309,192.20

Finding the Fourth Proportional to 18,406,587.40, 27,609,621.90 and 8,309,192.20

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Solution

The fourth proportional to 18,406,587.40, 27,609,621.90 and 8,309,192.20 is: 12,463,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406,587.40 : 27,609,621.90 = 8,309,192.20 : x
  2. Step 2: Convert to fraction form
    18,406,587.40/27,609,621.90 = 8,309,192.20/x
  3. Step 3: Cross multiply
    18,406,587.40x = 27,609,621.90 × 8,309,192.20
  4. Step 4: Simplify right side
    18,406,587.40x = 229,413,654,936,429.19
  5. Step 5: Solve for x
    x = 229,413,654,936,429.19/18,406,587.40
  6. Step 6: Final answer
    x = 12,463,671.29

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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.