Home / 7,122,734.12-9,829,357.04-3,859,637.18

Finding the Fourth Proportional to 7,122,734.12, 9,829,357.04 and 3,859,637.18

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Solution

The fourth proportional to 7,122,734.12, 9,829,357.04 and 3,859,637.18 is: 5,326,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122,734.12 : 9,829,357.04 = 3,859,637.18 : x
  2. Step 2: Convert to fraction form
    7,122,734.12/9,829,357.04 = 3,859,637.18/x
  3. Step 3: Cross multiply
    7,122,734.12x = 9,829,357.04 × 3,859,637.18
  4. Step 4: Simplify right side
    7,122,734.12x = 37,937,751,847,581.05
  5. Step 5: Solve for x
    x = 37,937,751,847,581.05/7,122,734.12
  6. Step 6: Final answer
    x = 5,326,290.61

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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.