Home / 13,286,563.71-19,929,845.82-3,189,184.71

Finding the Fourth Proportional to 13,286,563.71, 19,929,845.82 and 3,189,184.71

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Solution

The fourth proportional to 13,286,563.71, 19,929,845.82 and 3,189,184.71 is: 4,783,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,563.71 : 19,929,845.82 = 3,189,184.71 : x
  2. Step 2: Convert to fraction form
    13,286,563.71/19,929,845.82 = 3,189,184.71/x
  3. Step 3: Cross multiply
    13,286,563.71x = 19,929,845.82 × 3,189,184.71
  4. Step 4: Simplify right side
    13,286,563.71x = 63,559,959,561,801.41
  5. Step 5: Solve for x
    x = 63,559,959,561,801.41/13,286,563.71
  6. Step 6: Final answer
    x = 4,783,777.13

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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.