Home / 21,208,172.12-29,265,481.86-11,915,014.04

Finding the Fourth Proportional to 21,208,172.12, 29,265,481.86 and 11,915,014.04

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Solution

The fourth proportional to 21,208,172.12, 29,265,481.86 and 11,915,014.04 is: 16,441,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,208,172.12 : 29,265,481.86 = 11,915,014.04 : x
  2. Step 2: Convert to fraction form
    21,208,172.12/29,265,481.86 = 11,915,014.04/x
  3. Step 3: Cross multiply
    21,208,172.12x = 29,265,481.86 × 11,915,014.04
  4. Step 4: Simplify right side
    21,208,172.12x = 348,698,627,249,265.25
  5. Step 5: Solve for x
    x = 348,698,627,249,265.25/21,208,172.12
  6. Step 6: Final answer
    x = 16,441,710.55

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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.