Home / 13,942,384.20-20,913,576.30-12,866,216.18

Finding the Fourth Proportional to 13,942,384.20, 20,913,576.30 and 12,866,216.18

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Solution

The fourth proportional to 13,942,384.20, 20,913,576.30 and 12,866,216.18 is: 19,299,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,384.20 : 20,913,576.30 = 12,866,216.18 : x
  2. Step 2: Convert to fraction form
    13,942,384.20/20,913,576.30 = 12,866,216.18/x
  3. Step 3: Cross multiply
    13,942,384.20x = 20,913,576.30 × 12,866,216.18
  4. Step 4: Simplify right side
    13,942,384.20x = 269,078,593,668,156.69
  5. Step 5: Solve for x
    x = 269,078,593,668,156.69/13,942,384.20
  6. Step 6: Final answer
    x = 19,299,324.26

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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.