Home / 20,024,112.75-30,018,356.01-7,241,775.72

Finding the Fourth Proportional to 20,024,112.75, 30,018,356.01 and 7,241,775.72

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Solution

The fourth proportional to 20,024,112.75, 30,018,356.01 and 7,241,775.72 is: 10,856,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,024,112.75 : 30,018,356.01 = 7,241,775.72 : x
  2. Step 2: Convert to fraction form
    20,024,112.75/30,018,356.01 = 7,241,775.72/x
  3. Step 3: Cross multiply
    20,024,112.75x = 30,018,356.01 × 7,241,775.72
  4. Step 4: Simplify right side
    20,024,112.75x = 217,386,201,707,534.09
  5. Step 5: Solve for x
    x = 217,386,201,707,534.09/20,024,112.75
  6. Step 6: Final answer
    x = 10,856,221.42

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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.