Home / 11,891,435.40-17,837,521.92-5,658,171.12

Finding the Fourth Proportional to 11,891,435.40, 17,837,521.92 and 5,658,171.12

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Solution

The fourth proportional to 11,891,435.40, 17,837,521.92 and 5,658,171.12 is: 8,487,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,891,435.40 : 17,837,521.92 = 5,658,171.12 : x
  2. Step 2: Convert to fraction form
    11,891,435.40/17,837,521.92 = 5,658,171.12/x
  3. Step 3: Cross multiply
    11,891,435.40x = 17,837,521.92 × 5,658,171.12
  4. Step 4: Simplify right side
    11,891,435.40x = 100,927,751,380,110.97
  5. Step 5: Solve for x
    x = 100,927,751,380,110.97/11,891,435.40
  6. Step 6: Final answer
    x = 8,487,432.17

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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.