Home / 14,522,963.76-21,786,809.49-4,288,858.38

Finding the Fourth Proportional to 14,522,963.76, 21,786,809.49 and 4,288,858.38

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Solution

The fourth proportional to 14,522,963.76, 21,786,809.49 and 4,288,858.38 is: 6,433,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522,963.76 : 21,786,809.49 = 4,288,858.38 : x
  2. Step 2: Convert to fraction form
    14,522,963.76/21,786,809.49 = 4,288,858.38/x
  3. Step 3: Cross multiply
    14,522,963.76x = 21,786,809.49 × 4,288,858.38
  4. Step 4: Simplify right side
    14,522,963.76x = 93,440,540,454,650.02
  5. Step 5: Solve for x
    x = 93,440,540,454,650.02/14,522,963.76
  6. Step 6: Final answer
    x = 6,433,985.65

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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.