Home / 18,231,320.40-27,346,980.60-7,441,537.20

Finding the Fourth Proportional to 18,231,320.40, 27,346,980.60 and 7,441,537.20

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Solution

The fourth proportional to 18,231,320.40, 27,346,980.60 and 7,441,537.20 is: 11,162,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231,320.40 : 27,346,980.60 = 7,441,537.20 : x
  2. Step 2: Convert to fraction form
    18,231,320.40/27,346,980.60 = 7,441,537.20/x
  3. Step 3: Cross multiply
    18,231,320.40x = 27,346,980.60 × 7,441,537.20
  4. Step 4: Simplify right side
    18,231,320.40x = 203,503,573,442,578.34
  5. Step 5: Solve for x
    x = 203,503,573,442,578.34/18,231,320.40
  6. Step 6: Final answer
    x = 11,162,305.80

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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.