Home / 10,120,320-15,180,467.58-3,296,882.16

Finding the Fourth Proportional to 10,120,320, 15,180,467.58 and 3,296,882.16

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Solution

The fourth proportional to 10,120,320, 15,180,467.58 and 3,296,882.16 is: 4,945,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,320 : 15,180,467.58 = 3,296,882.16 : x
  2. Step 2: Convert to fraction form
    10,120,320/15,180,467.58 = 3,296,882.16/x
  3. Step 3: Cross multiply
    10,120,320x = 15,180,467.58 × 3,296,882.16
  4. Step 4: Simplify right side
    10,120,320x = 50,048,212,744,960.38
  5. Step 5: Solve for x
    x = 50,048,212,744,960.38/10,120,320
  6. Step 6: Final answer
    x = 4,945,319.19

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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.