Home / 9,170,958.68-12,634,049.22-6,412,484.78

Finding the Fourth Proportional to 9,170,958.68, 12,634,049.22 and 6,412,484.78

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Solution

The fourth proportional to 9,170,958.68, 12,634,049.22 and 6,412,484.78 is: 8,833,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,958.68 : 12,634,049.22 = 6,412,484.78 : x
  2. Step 2: Convert to fraction form
    9,170,958.68/12,634,049.22 = 6,412,484.78/x
  3. Step 3: Cross multiply
    9,170,958.68x = 12,634,049.22 × 6,412,484.78
  4. Step 4: Simplify right side
    9,170,958.68x = 81,015,648,333,020.88
  5. Step 5: Solve for x
    x = 81,015,648,333,020.88/9,170,958.68
  6. Step 6: Final answer
    x = 8,833,934.51

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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.