Home / 13,942,829.10-20,914,243.65-12,986,235.30

Finding the Fourth Proportional to 13,942,829.10, 20,914,243.65 and 12,986,235.30

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Solution

The fourth proportional to 13,942,829.10, 20,914,243.65 and 12,986,235.30 is: 19,479,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,829.10 : 20,914,243.65 = 12,986,235.30 : x
  2. Step 2: Convert to fraction form
    13,942,829.10/20,914,243.65 = 12,986,235.30/x
  3. Step 3: Cross multiply
    13,942,829.10x = 20,914,243.65 × 12,986,235.30
  4. Step 4: Simplify right side
    13,942,829.10x = 271,597,289,160,430.84
  5. Step 5: Solve for x
    x = 271,597,289,160,430.84/13,942,829.10
  6. Step 6: Final answer
    x = 19,479,352.95

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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.