Home / 12,293,081.20-18,442,386.60-7,241,791.60

Finding the Fourth Proportional to 12,293,081.20, 18,442,386.60 and 7,241,791.60

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Solution

The fourth proportional to 12,293,081.20, 18,442,386.60 and 7,241,791.60 is: 10,864,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293,081.20 : 18,442,386.60 = 7,241,791.60 : x
  2. Step 2: Convert to fraction form
    12,293,081.20/18,442,386.60 = 7,241,791.60/x
  3. Step 3: Cross multiply
    12,293,081.20x = 18,442,386.60 × 7,241,791.60
  4. Step 4: Simplify right side
    12,293,081.20x = 133,555,920,363,832.56
  5. Step 5: Solve for x
    x = 133,555,920,363,832.56/12,293,081.20
  6. Step 6: Final answer
    x = 10,864,316.13

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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.