Home / 21,934,119.33-32,886,832.28-20,729,694.69

Finding the Fourth Proportional to 21,934,119.33, 32,886,832.28 and 20,729,694.69

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Solution

The fourth proportional to 21,934,119.33, 32,886,832.28 and 20,729,694.69 is: 31,080,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934,119.33 : 32,886,832.28 = 20,729,694.69 : x
  2. Step 2: Convert to fraction form
    21,934,119.33/32,886,832.28 = 20,729,694.69/x
  3. Step 3: Cross multiply
    21,934,119.33x = 32,886,832.28 × 20,729,694.69
  4. Step 4: Simplify right side
    21,934,119.33x = 681,733,992,381,988.12
  5. Step 5: Solve for x
    x = 681,733,992,381,988.12/21,934,119.33
  6. Step 6: Final answer
    x = 31,080,983.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.