Home / 20,286,319.92-27,995,798.52-11,118,986.16

Finding the Fourth Proportional to 20,286,319.92, 27,995,798.52 and 11,118,986.16

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Solution

The fourth proportional to 20,286,319.92, 27,995,798.52 and 11,118,986.16 is: 15,344,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,319.92 : 27,995,798.52 = 11,118,986.16 : x
  2. Step 2: Convert to fraction form
    20,286,319.92/27,995,798.52 = 11,118,986.16/x
  3. Step 3: Cross multiply
    20,286,319.92x = 27,995,798.52 × 11,118,986.16
  4. Step 4: Simplify right side
    20,286,319.92x = 311,284,896,282,028.50
  5. Step 5: Solve for x
    x = 311,284,896,282,028.50/20,286,319.92
  6. Step 6: Final answer
    x = 15,344,571.98

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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.