Home / 21,423,085.82-29,584,035.77-14,914,512.30

Finding the Fourth Proportional to 21,423,085.82, 29,584,035.77 and 14,914,512.30

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Solution

The fourth proportional to 21,423,085.82, 29,584,035.77 and 14,914,512.30 is: 20,596,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,423,085.82 : 29,584,035.77 = 14,914,512.30 : x
  2. Step 2: Convert to fraction form
    21,423,085.82/29,584,035.77 = 14,914,512.30/x
  3. Step 3: Cross multiply
    21,423,085.82x = 29,584,035.77 × 14,914,512.30
  4. Step 4: Simplify right side
    21,423,085.82x = 441,231,465,300,732.44
  5. Step 5: Solve for x
    x = 441,231,465,300,732.44/21,423,085.82
  6. Step 6: Final answer
    x = 20,596,074.21

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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.