Home / 7,207,060.96-9,945,745.04-3,943,876.40

Finding the Fourth Proportional to 7,207,060.96, 9,945,745.04 and 3,943,876.40

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Solution

The fourth proportional to 7,207,060.96, 9,945,745.04 and 3,943,876.40 is: 5,442,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,060.96 : 9,945,745.04 = 3,943,876.40 : x
  2. Step 2: Convert to fraction form
    7,207,060.96/9,945,745.04 = 3,943,876.40/x
  3. Step 3: Cross multiply
    7,207,060.96x = 9,945,745.04 × 3,943,876.40
  4. Step 4: Simplify right side
    7,207,060.96x = 39,224,789,143,673.05
  5. Step 5: Solve for x
    x = 39,224,789,143,673.05/7,207,060.96
  6. Step 6: Final answer
    x = 5,442,549.93

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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.