Home / 21,208,171.12-29,265,480.48-11,915,013.04

Finding the Fourth Proportional to 21,208,171.12, 29,265,480.48 and 11,915,013.04

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Solution

The fourth proportional to 21,208,171.12, 29,265,480.48 and 11,915,013.04 is: 16,441,709.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,171.12 : 29,265,480.48 = 11,915,013.04 : x
  2. Step 2: Convert to fraction form
    21,208,171.12/29,265,480.48 = 11,915,013.04/x
  3. Step 3: Cross multiply
    21,208,171.12x = 29,265,480.48 × 11,915,013.04
  4. Step 4: Simplify right side
    21,208,171.12x = 348,698,581,541,065.44
  5. Step 5: Solve for x
    x = 348,698,581,541,065.44/21,208,171.12
  6. Step 6: Final answer
    x = 16,441,709.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.