Home / 20,546,278.22-30,818,669.81-6,168,972.42

Finding the Fourth Proportional to 20,546,278.22, 30,818,669.81 and 6,168,972.42

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Solution

The fourth proportional to 20,546,278.22, 30,818,669.81 and 6,168,972.42 is: 9,253,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546,278.22 : 30,818,669.81 = 6,168,972.42 : x
  2. Step 2: Convert to fraction form
    20,546,278.22/30,818,669.81 = 6,168,972.42/x
  3. Step 3: Cross multiply
    20,546,278.22x = 30,818,669.81 × 6,168,972.42
  4. Step 4: Simplify right side
    20,546,278.22x = 190,119,524,048,131.78
  5. Step 5: Solve for x
    x = 190,119,524,048,131.78/20,546,278.22
  6. Step 6: Final answer
    x = 9,253,234.19

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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.