Home / 21,762,002.92-30,019,092.87-13,599,069.16

Finding the Fourth Proportional to 21,762,002.92, 30,019,092.87 and 13,599,069.16

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Solution

The fourth proportional to 21,762,002.92, 30,019,092.87 and 13,599,069.16 is: 18,758,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,002.92 : 30,019,092.87 = 13,599,069.16 : x
  2. Step 2: Convert to fraction form
    21,762,002.92/30,019,092.87 = 13,599,069.16/x
  3. Step 3: Cross multiply
    21,762,002.92x = 30,019,092.87 × 13,599,069.16
  4. Step 4: Simplify right side
    21,762,002.92x = 408,231,720,059,592.94
  5. Step 5: Solve for x
    x = 408,231,720,059,592.94/21,762,002.92
  6. Step 6: Final answer
    x = 18,758,922.22

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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.