Home / 8,667,072.80-13,000,609.20-6,147,648.80

Finding the Fourth Proportional to 8,667,072.80, 13,000,609.20 and 6,147,648.80

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Solution

The fourth proportional to 8,667,072.80, 13,000,609.20 and 6,147,648.80 is: 9,221,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,072.80 : 13,000,609.20 = 6,147,648.80 : x
  2. Step 2: Convert to fraction form
    8,667,072.80/13,000,609.20 = 6,147,648.80/x
  3. Step 3: Cross multiply
    8,667,072.80x = 13,000,609.20 × 6,147,648.80
  4. Step 4: Simplify right side
    8,667,072.80x = 79,923,179,547,648.95
  5. Step 5: Solve for x
    x = 79,923,179,547,648.95/8,667,072.80
  6. Step 6: Final answer
    x = 9,221,473.20

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Double scale
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Similar ratio
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1.5x scale

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.