Home / 7,321,100.17-10,979,438.58-2,202,170.80

Finding the Fourth Proportional to 7,321,100.17, 10,979,438.58 and 2,202,170.80

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Solution

The fourth proportional to 7,321,100.17, 10,979,438.58 and 2,202,170.80 is: 3,302,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,100.17 : 10,979,438.58 = 2,202,170.80 : x
  2. Step 2: Convert to fraction form
    7,321,100.17/10,979,438.58 = 2,202,170.80/x
  3. Step 3: Cross multiply
    7,321,100.17x = 10,979,438.58 × 2,202,170.80
  4. Step 4: Simplify right side
    7,321,100.17x = 24,178,599,041,269.46
  5. Step 5: Solve for x
    x = 24,178,599,041,269.46/7,321,100.17
  6. Step 6: Final answer
    x = 3,302,590.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.