Home / 21,923,694-30,252,648.42-13,101,395.04

Finding the Fourth Proportional to 21,923,694, 30,252,648.42 and 13,101,395.04

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Solution

The fourth proportional to 21,923,694, 30,252,648.42 and 13,101,395.04 is: 18,078,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,694 : 30,252,648.42 = 13,101,395.04 : x
  2. Step 2: Convert to fraction form
    21,923,694/30,252,648.42 = 13,101,395.04/x
  3. Step 3: Cross multiply
    21,923,694x = 30,252,648.42 × 13,101,395.04
  4. Step 4: Simplify right side
    21,923,694x = 396,351,897,956,651.81
  5. Step 5: Solve for x
    x = 396,351,897,956,651.81/21,923,694
  6. Step 6: Final answer
    x = 18,078,700.51

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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.