Home / 7,211,294.29-9,951,581.55-3,948,108.16

Finding the Fourth Proportional to 7,211,294.29, 9,951,581.55 and 3,948,108.16

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Solution

The fourth proportional to 7,211,294.29, 9,951,581.55 and 3,948,108.16 is: 5,448,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,294.29 : 9,951,581.55 = 3,948,108.16 : x
  2. Step 2: Convert to fraction form
    7,211,294.29/9,951,581.55 = 3,948,108.16/x
  3. Step 3: Cross multiply
    7,211,294.29x = 9,951,581.55 × 3,948,108.16
  4. Step 4: Simplify right side
    7,211,294.29x = 39,289,920,296,175.67
  5. Step 5: Solve for x
    x = 39,289,920,296,175.67/7,211,294.29
  6. Step 6: Final answer
    x = 5,448,386.75

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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.