Home / 7,258,120.80-10,891,328.40-2,773,615.20

Finding the Fourth Proportional to 7,258,120.80, 10,891,328.40 and 2,773,615.20

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Solution

The fourth proportional to 7,258,120.80, 10,891,328.40 and 2,773,615.20 is: 4,162,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,120.80 : 10,891,328.40 = 2,773,615.20 : x
  2. Step 2: Convert to fraction form
    7,258,120.80/10,891,328.40 = 2,773,615.20/x
  3. Step 3: Cross multiply
    7,258,120.80x = 10,891,328.40 × 2,773,615.20
  4. Step 4: Simplify right side
    7,258,120.80x = 30,208,353,998,431.68
  5. Step 5: Solve for x
    x = 30,208,353,998,431.68/7,258,120.80
  6. Step 6: Final answer
    x = 4,162,007.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.