Home / 6,789,818.16-9,370,063.20-3,889,462.56

Finding the Fourth Proportional to 6,789,818.16, 9,370,063.20 and 3,889,462.56

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Solution

The fourth proportional to 6,789,818.16, 9,370,063.20 and 3,889,462.56 is: 5,367,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,818.16 : 9,370,063.20 = 3,889,462.56 : x
  2. Step 2: Convert to fraction form
    6,789,818.16/9,370,063.20 = 3,889,462.56/x
  3. Step 3: Cross multiply
    6,789,818.16x = 9,370,063.20 × 3,889,462.56
  4. Step 4: Simplify right side
    6,789,818.16x = 36,444,510,001,233.79
  5. Step 5: Solve for x
    x = 36,444,510,001,233.79/6,789,818.16
  6. Step 6: Final answer
    x = 5,367,523.72

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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.