Home / 14,145,315.28-21,218,121.12-11,323,366

Finding the Fourth Proportional to 14,145,315.28, 21,218,121.12 and 11,323,366

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Solution

The fourth proportional to 14,145,315.28, 21,218,121.12 and 11,323,366 is: 16,985,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,315.28 : 21,218,121.12 = 11,323,366 : x
  2. Step 2: Convert to fraction form
    14,145,315.28/21,218,121.12 = 11,323,366/x
  3. Step 3: Cross multiply
    14,145,315.28x = 21,218,121.12 × 11,323,366
  4. Step 4: Simplify right side
    14,145,315.28x = 240,260,551,274,089.94
  5. Step 5: Solve for x
    x = 240,260,551,274,089.94/14,145,315.28
  6. Step 6: Final answer
    x = 16,985,167.63

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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.