Home / 21,923,542.44-30,252,438.63-13,101,242.94

Finding the Fourth Proportional to 21,923,542.44, 30,252,438.63 and 13,101,242.94

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Solution

The fourth proportional to 21,923,542.44, 30,252,438.63 and 13,101,242.94 is: 18,078,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,923,542.44 : 30,252,438.63 = 13,101,242.94 : x
  2. Step 2: Convert to fraction form
    21,923,542.44/30,252,438.63 = 13,101,242.94/x
  3. Step 3: Cross multiply
    21,923,542.44x = 30,252,438.63 × 13,101,242.94
  4. Step 4: Simplify right side
    21,923,542.44x = 396,344,548,019,070.75
  5. Step 5: Solve for x
    x = 396,344,548,019,070.75/21,923,542.44
  6. Step 6: Final answer
    x = 18,078,490.24

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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.