Home / 6,921,307.20-10,381,958.40-5,040,020.48

Finding the Fourth Proportional to 6,921,307.20, 10,381,958.40 and 5,040,020.48

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Solution

The fourth proportional to 6,921,307.20, 10,381,958.40 and 5,040,020.48 is: 7,560,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,307.20 : 10,381,958.40 = 5,040,020.48 : x
  2. Step 2: Convert to fraction form
    6,921,307.20/10,381,958.40 = 5,040,020.48/x
  3. Step 3: Cross multiply
    6,921,307.20x = 10,381,958.40 × 5,040,020.48
  4. Step 4: Simplify right side
    6,921,307.20x = 52,325,282,958,508.04
  5. Step 5: Solve for x
    x = 52,325,282,958,508.04/6,921,307.20
  6. Step 6: Final answer
    x = 7,560,028.97

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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.