Home / 8,428,341.43-11,626,826.66-5,119,757.85

Finding the Fourth Proportional to 8,428,341.43, 11,626,826.66 and 5,119,757.85

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Solution

The fourth proportional to 8,428,341.43, 11,626,826.66 and 5,119,757.85 is: 7,062,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428,341.43 : 11,626,826.66 = 5,119,757.85 : x
  2. Step 2: Convert to fraction form
    8,428,341.43/11,626,826.66 = 5,119,757.85/x
  3. Step 3: Cross multiply
    8,428,341.43x = 11,626,826.66 × 5,119,757.85
  4. Step 4: Simplify right side
    8,428,341.43x = 59,526,536,979,391.35
  5. Step 5: Solve for x
    x = 59,526,536,979,391.35/8,428,341.43
  6. Step 6: Final answer
    x = 7,062,663.21

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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.