Home / 7,211,348.80-9,951,656.61-3,948,162.70

Finding the Fourth Proportional to 7,211,348.80, 9,951,656.61 and 3,948,162.70

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Solution

The fourth proportional to 7,211,348.80, 9,951,656.61 and 3,948,162.70 is: 5,448,461.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,348.80 : 9,951,656.61 = 3,948,162.70 : x
  2. Step 2: Convert to fraction form
    7,211,348.80/9,951,656.61 = 3,948,162.70/x
  3. Step 3: Cross multiply
    7,211,348.80x = 9,951,656.61 × 3,948,162.70
  4. Step 4: Simplify right side
    7,211,348.80x = 39,290,759,417,187.06
  5. Step 5: Solve for x
    x = 39,290,759,417,187.06/7,211,348.80
  6. Step 6: Final answer
    x = 5,448,461.93

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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.