Home / 18,078,340.96-27,117,732.30-5,299,104.16

Finding the Fourth Proportional to 18,078,340.96, 27,117,732.30 and 5,299,104.16

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Solution

The fourth proportional to 18,078,340.96, 27,117,732.30 and 5,299,104.16 is: 7,948,720.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078,340.96 : 27,117,732.30 = 5,299,104.16 : x
  2. Step 2: Convert to fraction form
    18,078,340.96/27,117,732.30 = 5,299,104.16/x
  3. Step 3: Cross multiply
    18,078,340.96x = 27,117,732.30 × 5,299,104.16
  4. Step 4: Simplify right side
    18,078,340.96x = 143,699,688,040,696.38
  5. Step 5: Solve for x
    x = 143,699,688,040,696.38/18,078,340.96
  6. Step 6: Final answer
    x = 7,948,720.98

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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.