Home / 10,011,049.50-13,826,653.11-6,786,186.78

Finding the Fourth Proportional to 10,011,049.50, 13,826,653.11 and 6,786,186.78

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Solution

The fourth proportional to 10,011,049.50, 13,826,653.11 and 6,786,186.78 is: 9,372,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,049.50 : 13,826,653.11 = 6,786,186.78 : x
  2. Step 2: Convert to fraction form
    10,011,049.50/13,826,653.11 = 6,786,186.78/x
  3. Step 3: Cross multiply
    10,011,049.50x = 13,826,653.11 × 6,786,186.78
  4. Step 4: Simplify right side
    10,011,049.50x = 93,830,250,546,727.89
  5. Step 5: Solve for x
    x = 93,830,250,546,727.89/10,011,049.50
  6. Step 6: Final answer
    x = 9,372,668.72

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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.