Home / 21,334,684.13-29,432,481.85-12,509,630.85

Finding the Fourth Proportional to 21,334,684.13, 29,432,481.85 and 12,509,630.85

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Solution

The fourth proportional to 21,334,684.13, 29,432,481.85 and 12,509,630.85 is: 17,257,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,684.13 : 29,432,481.85 = 12,509,630.85 : x
  2. Step 2: Convert to fraction form
    21,334,684.13/29,432,481.85 = 12,509,630.85/x
  3. Step 3: Cross multiply
    21,334,684.13x = 29,432,481.85 × 12,509,630.85
  4. Step 4: Simplify right side
    21,334,684.13x = 368,189,482,942,825.06
  5. Step 5: Solve for x
    x = 368,189,482,942,825.06/21,334,684.13
  6. Step 6: Final answer
    x = 17,257,789.27

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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.