Home / 21,494,978.16-29,662,775.28-12,202,467

Finding the Fourth Proportional to 21,494,978.16, 29,662,775.28 and 12,202,467

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Solution

The fourth proportional to 21,494,978.16, 29,662,775.28 and 12,202,467 is: 16,839,237.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,494,978.16 : 29,662,775.28 = 12,202,467 : x
  2. Step 2: Convert to fraction form
    21,494,978.16/29,662,775.28 = 12,202,467/x
  3. Step 3: Cross multiply
    21,494,978.16x = 29,662,775.28 × 12,202,467
  4. Step 4: Simplify right side
    21,494,978.16x = 361,959,036,482,615.75
  5. Step 5: Solve for x
    x = 361,959,036,482,615.75/21,494,978.16
  6. Step 6: Final answer
    x = 16,839,237.23

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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.