Home / 7,217,565.37-9,960,239.98-3,954,503.72

Finding the Fourth Proportional to 7,217,565.37, 9,960,239.98 and 3,954,503.72

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Solution

The fourth proportional to 7,217,565.37, 9,960,239.98 and 3,954,503.72 is: 5,457,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,565.37 : 9,960,239.98 = 3,954,503.72 : x
  2. Step 2: Convert to fraction form
    7,217,565.37/9,960,239.98 = 3,954,503.72/x
  3. Step 3: Cross multiply
    7,217,565.37x = 9,960,239.98 × 3,954,503.72
  4. Step 4: Simplify right side
    7,217,565.37x = 39,387,806,053,002.73
  5. Step 5: Solve for x
    x = 39,387,806,053,002.73/7,217,565.37
  6. Step 6: Final answer
    x = 5,457,215.01

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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.