Home / 7,217,958.33-9,960,401.12-4,120,358.76

Finding the Fourth Proportional to 7,217,958.33, 9,960,401.12 and 4,120,358.76

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Solution

The fourth proportional to 7,217,958.33, 9,960,401.12 and 4,120,358.76 is: 5,685,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,958.33 : 9,960,401.12 = 4,120,358.76 : x
  2. Step 2: Convert to fraction form
    7,217,958.33/9,960,401.12 = 4,120,358.76/x
  3. Step 3: Cross multiply
    7,217,958.33x = 9,960,401.12 × 4,120,358.76
  4. Step 4: Simplify right side
    7,217,958.33x = 41,040,425,987,304.02
  5. Step 5: Solve for x
    x = 41,040,425,987,304.02/7,217,958.33
  6. Step 6: Final answer
    x = 5,685,877.38

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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.