Home / 12,710,785.50-17,540,514.32-7,204,667.04

Finding the Fourth Proportional to 12,710,785.50, 17,540,514.32 and 7,204,667.04

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Solution

The fourth proportional to 12,710,785.50, 17,540,514.32 and 7,204,667.04 is: 9,942,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,785.50 : 17,540,514.32 = 7,204,667.04 : x
  2. Step 2: Convert to fraction form
    12,710,785.50/17,540,514.32 = 7,204,667.04/x
  3. Step 3: Cross multiply
    12,710,785.50x = 17,540,514.32 × 7,204,667.04
  4. Step 4: Simplify right side
    12,710,785.50x = 126,373,565,349,928.69
  5. Step 5: Solve for x
    x = 126,373,565,349,928.69/12,710,785.50
  6. Step 6: Final answer
    x = 9,942,230.98

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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.