Home / 18,146,101.80-27,219,152.70-11,689,093.65

Finding the Fourth Proportional to 18,146,101.80, 27,219,152.70 and 11,689,093.65

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Solution

The fourth proportional to 18,146,101.80, 27,219,152.70 and 11,689,093.65 is: 17,533,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,101.80 : 27,219,152.70 = 11,689,093.65 : x
  2. Step 2: Convert to fraction form
    18,146,101.80/27,219,152.70 = 11,689,093.65/x
  3. Step 3: Cross multiply
    18,146,101.80x = 27,219,152.70 × 11,689,093.65
  4. Step 4: Simplify right side
    18,146,101.80x = 318,167,224,983,950.38
  5. Step 5: Solve for x
    x = 318,167,224,983,950.38/18,146,101.80
  6. Step 6: Final answer
    x = 17,533,640.48

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1.5x scale

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.