Home / 13,286,559.55-19,929,839.58-3,189,180.55

Finding the Fourth Proportional to 13,286,559.55, 19,929,839.58 and 3,189,180.55

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Solution

The fourth proportional to 13,286,559.55, 19,929,839.58 and 3,189,180.55 is: 4,783,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,559.55 : 19,929,839.58 = 3,189,180.55 : x
  2. Step 2: Convert to fraction form
    13,286,559.55/19,929,839.58 = 3,189,180.55/x
  3. Step 3: Cross multiply
    13,286,559.55x = 19,929,839.58 × 3,189,180.55
  4. Step 4: Simplify right side
    13,286,559.55x = 63,559,856,637,561.06
  5. Step 5: Solve for x
    x = 63,559,856,637,561.06/13,286,559.55
  6. Step 6: Final answer
    x = 4,783,770.88

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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.