Home / 7,217,885.55-9,960,930-3,954,690.39

Finding the Fourth Proportional to 7,217,885.55, 9,960,930 and 3,954,690.39

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Solution

The fourth proportional to 7,217,885.55, 9,960,930 and 3,954,690.39 is: 5,457,608.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,885.55 : 9,960,930 = 3,954,690.39 : x
  2. Step 2: Convert to fraction form
    7,217,885.55/9,960,930 = 3,954,690.39/x
  3. Step 3: Cross multiply
    7,217,885.55x = 9,960,930 × 3,954,690.39
  4. Step 4: Simplify right side
    7,217,885.55x = 39,392,394,146,462.70
  5. Step 5: Solve for x
    x = 39,392,394,146,462.70/7,217,885.55
  6. Step 6: Final answer
    x = 5,457,608.59

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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.