Home / 21,491,947.70-32,237,921.55-7,117,234.10

Finding the Fourth Proportional to 21,491,947.70, 32,237,921.55 and 7,117,234.10

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Solution

The fourth proportional to 21,491,947.70, 32,237,921.55 and 7,117,234.10 is: 10,675,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,947.70 : 32,237,921.55 = 7,117,234.10 : x
  2. Step 2: Convert to fraction form
    21,491,947.70/32,237,921.55 = 7,117,234.10/x
  3. Step 3: Cross multiply
    21,491,947.70x = 32,237,921.55 × 7,117,234.10
  4. Step 4: Simplify right side
    21,491,947.70x = 229,444,834,568,784.84
  5. Step 5: Solve for x
    x = 229,444,834,568,784.84/21,491,947.70
  6. Step 6: Final answer
    x = 10,675,851.15

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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.