Home / 7,217,505.87-9,960,157.81-3,954,444.22

Finding the Fourth Proportional to 7,217,505.87, 9,960,157.81 and 3,954,444.22

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Solution

The fourth proportional to 7,217,505.87, 9,960,157.81 and 3,954,444.22 is: 5,457,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,505.87 : 9,960,157.81 = 3,954,444.22 : x
  2. Step 2: Convert to fraction form
    7,217,505.87/9,960,157.81 = 3,954,444.22/x
  3. Step 3: Cross multiply
    7,217,505.87x = 9,960,157.81 × 3,954,444.22
  4. Step 4: Simplify right side
    7,217,505.87x = 39,386,888,482,042.36
  5. Step 5: Solve for x
    x = 39,386,888,482,042.36/7,217,505.87
  6. Step 6: Final answer
    x = 5,457,132.86

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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.