Home / 9,628,956.76-13,288,120.92-5,218,823.20

Finding the Fourth Proportional to 9,628,956.76, 13,288,120.92 and 5,218,823.20

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Solution

The fourth proportional to 9,628,956.76, 13,288,120.92 and 5,218,823.20 is: 7,202,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628,956.76 : 13,288,120.92 = 5,218,823.20 : x
  2. Step 2: Convert to fraction form
    9,628,956.76/13,288,120.92 = 5,218,823.20/x
  3. Step 3: Cross multiply
    9,628,956.76x = 13,288,120.92 × 5,218,823.20
  4. Step 4: Simplify right side
    9,628,956.76x = 69,348,353,741,701.34
  5. Step 5: Solve for x
    x = 69,348,353,741,701.34/9,628,956.76
  6. Step 6: Final answer
    x = 7,202,063.06

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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.