Home / 9,134,458.75-12,602,449.38-5,211,396.61

Finding the Fourth Proportional to 9,134,458.75, 12,602,449.38 and 5,211,396.61

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Solution

The fourth proportional to 9,134,458.75, 12,602,449.38 and 5,211,396.61 is: 7,189,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,458.75 : 12,602,449.38 = 5,211,396.61 : x
  2. Step 2: Convert to fraction form
    9,134,458.75/12,602,449.38 = 5,211,396.61/x
  3. Step 3: Cross multiply
    9,134,458.75x = 12,602,449.38 × 5,211,396.61
  4. Step 4: Simplify right side
    9,134,458.75x = 65,676,361,976,628.61
  5. Step 5: Solve for x
    x = 65,676,361,976,628.61/9,134,458.75
  6. Step 6: Final answer
    x = 7,189,956.60

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1.5x scale

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.