Home / 12,710,787-17,540,516.39-7,204,668.54

Finding the Fourth Proportional to 12,710,787, 17,540,516.39 and 7,204,668.54

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Solution

The fourth proportional to 12,710,787, 17,540,516.39 and 7,204,668.54 is: 9,942,233.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,787 : 17,540,516.39 = 7,204,668.54 : x
  2. Step 2: Convert to fraction form
    12,710,787/17,540,516.39 = 7,204,668.54/x
  3. Step 3: Cross multiply
    12,710,787x = 17,540,516.39 × 7,204,668.54
  4. Step 4: Simplify right side
    12,710,787x = 126,373,606,574,364.05
  5. Step 5: Solve for x
    x = 126,373,606,574,364.05/12,710,787
  6. Step 6: Final answer
    x = 9,942,233.05

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1.5x scale

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.