Home / 12,381,579.80-18,556,623.30-11,027,389.40

Finding the Fourth Proportional to 12,381,579.80, 18,556,623.30 and 11,027,389.40

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Solution

The fourth proportional to 12,381,579.80, 18,556,623.30 and 11,027,389.40 is: 16,527,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,579.80 : 18,556,623.30 = 11,027,389.40 : x
  2. Step 2: Convert to fraction form
    12,381,579.80/18,556,623.30 = 11,027,389.40/x
  3. Step 3: Cross multiply
    12,381,579.80x = 18,556,623.30 × 11,027,389.40
  4. Step 4: Simplify right side
    12,381,579.80x = 204,631,111,078,213.03
  5. Step 5: Solve for x
    x = 204,631,111,078,213.03/12,381,579.80
  6. Step 6: Final answer
    x = 16,527,059.91

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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.