Home / 12,296,586.22-16,970,785.13-7,139,947.75

Finding the Fourth Proportional to 12,296,586.22, 16,970,785.13 and 7,139,947.75

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Solution

The fourth proportional to 12,296,586.22, 16,970,785.13 and 7,139,947.75 is: 9,853,996.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,586.22 : 16,970,785.13 = 7,139,947.75 : x
  2. Step 2: Convert to fraction form
    12,296,586.22/16,970,785.13 = 7,139,947.75/x
  3. Step 3: Cross multiply
    12,296,586.22x = 16,970,785.13 × 7,139,947.75
  4. Step 4: Simplify right side
    12,296,586.22x = 121,170,519,104,676.95
  5. Step 5: Solve for x
    x = 121,170,519,104,676.95/12,296,586.22
  6. Step 6: Final answer
    x = 9,853,996.62

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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.