Home / 21,923,695-30,252,649.80-13,101,396.04

Finding the Fourth Proportional to 21,923,695, 30,252,649.80 and 13,101,396.04

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Solution

The fourth proportional to 21,923,695, 30,252,649.80 and 13,101,396.04 is: 18,078,701.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,695 : 30,252,649.80 = 13,101,396.04 : x
  2. Step 2: Convert to fraction form
    21,923,695/30,252,649.80 = 13,101,396.04/x
  3. Step 3: Cross multiply
    21,923,695x = 30,252,649.80 × 13,101,396.04
  4. Step 4: Simplify right side
    21,923,695x = 396,351,946,289,226.75
  5. Step 5: Solve for x
    x = 396,351,946,289,226.75/21,923,695
  6. Step 6: Final answer
    x = 18,078,701.89

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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.