Home / 7,217,496.43-9,960,144.85-3,954,434.72

Finding the Fourth Proportional to 7,217,496.43, 9,960,144.85 and 3,954,434.72

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Solution

The fourth proportional to 7,217,496.43, 9,960,144.85 and 3,954,434.72 is: 5,457,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,496.43 : 9,960,144.85 = 3,954,434.72 : x
  2. Step 2: Convert to fraction form
    7,217,496.43/9,960,144.85 = 3,954,434.72/x
  3. Step 3: Cross multiply
    7,217,496.43x = 9,960,144.85 × 3,954,434.72
  4. Step 4: Simplify right side
    7,217,496.43x = 39,386,742,566,211.51
  5. Step 5: Solve for x
    x = 39,386,742,566,211.51/7,217,496.43
  6. Step 6: Final answer
    x = 5,457,119.79

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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.