Home / 20,286,319.55-27,995,798.00-11,118,985.79

Finding the Fourth Proportional to 20,286,319.55, 27,995,798.00 and 11,118,985.79

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Solution

The fourth proportional to 20,286,319.55, 27,995,798.00 and 11,118,985.79 is: 15,344,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,286,319.55 : 27,995,798.00 = 11,118,985.79 : x
  2. Step 2: Convert to fraction form
    20,286,319.55/27,995,798.00 = 11,118,985.79/x
  3. Step 3: Cross multiply
    20,286,319.55x = 27,995,798.00 × 11,118,985.79
  4. Step 4: Simplify right side
    20,286,319.55x = 311,284,880,029,528.94
  5. Step 5: Solve for x
    x = 311,284,880,029,528.94/20,286,319.55
  6. Step 6: Final answer
    x = 15,344,571.47

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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.