Home / 8,090,900.82-12,132,160.40-2,972,008.62

Finding the Fourth Proportional to 8,090,900.82, 12,132,160.40 and 2,972,008.62

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Solution

The fourth proportional to 8,090,900.82, 12,132,160.40 and 2,972,008.62 is: 4,456,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090,900.82 : 12,132,160.40 = 2,972,008.62 : x
  2. Step 2: Convert to fraction form
    8,090,900.82/12,132,160.40 = 2,972,008.62/x
  3. Step 3: Cross multiply
    8,090,900.82x = 12,132,160.40 × 2,972,008.62
  4. Step 4: Simplify right side
    8,090,900.82x = 36,056,885,273,162.60
  5. Step 5: Solve for x
    x = 36,056,885,273,162.60/8,090,900.82
  6. Step 6: Final answer
    x = 4,456,473.52

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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.