Home / 7,867,585.89-11,803,478.90-2,819,406.69

Finding the Fourth Proportional to 7,867,585.89, 11,803,478.90 and 2,819,406.69

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Solution

The fourth proportional to 7,867,585.89, 11,803,478.90 and 2,819,406.69 is: 4,229,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,585.89 : 11,803,478.90 = 2,819,406.69 : x
  2. Step 2: Convert to fraction form
    7,867,585.89/11,803,478.90 = 2,819,406.69/x
  3. Step 3: Cross multiply
    7,867,585.89x = 11,803,478.90 × 2,819,406.69
  4. Step 4: Simplify right side
    7,867,585.89x = 33,278,807,361,836.80
  5. Step 5: Solve for x
    x = 33,278,807,361,836.80/7,867,585.89
  6. Step 6: Final answer
    x = 4,229,862.61

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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.