Home / 14,003,211.20-21,004,816.80-11,838,372.80

Finding the Fourth Proportional to 14,003,211.20, 21,004,816.80 and 11,838,372.80

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Solution

The fourth proportional to 14,003,211.20, 21,004,816.80 and 11,838,372.80 is: 17,757,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,211.20 : 21,004,816.80 = 11,838,372.80 : x
  2. Step 2: Convert to fraction form
    14,003,211.20/21,004,816.80 = 11,838,372.80/x
  3. Step 3: Cross multiply
    14,003,211.20x = 21,004,816.80 × 11,838,372.80
  4. Step 4: Simplify right side
    14,003,211.20x = 248,662,851,874,103.06
  5. Step 5: Solve for x
    x = 248,662,851,874,103.06/14,003,211.20
  6. Step 6: Final answer
    x = 17,757,559.20

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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.