Home / 14,145,315.78-21,218,121.87-11,323,366.50

Finding the Fourth Proportional to 14,145,315.78, 21,218,121.87 and 11,323,366.50

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Solution

The fourth proportional to 14,145,315.78, 21,218,121.87 and 11,323,366.50 is: 16,985,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145,315.78 : 21,218,121.87 = 11,323,366.50 : x
  2. Step 2: Convert to fraction form
    14,145,315.78/21,218,121.87 = 11,323,366.50/x
  3. Step 3: Cross multiply
    14,145,315.78x = 21,218,121.87 × 11,323,366.50
  4. Step 4: Simplify right side
    14,145,315.78x = 240,260,570,375,675.38
  5. Step 5: Solve for x
    x = 240,260,570,375,675.38/14,145,315.78
  6. Step 6: Final answer
    x = 16,985,168.38

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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.