Home / 18,519,661.92-25,556,857.38-10,259,706.90

Finding the Fourth Proportional to 18,519,661.92, 25,556,857.38 and 10,259,706.90

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Solution

The fourth proportional to 18,519,661.92, 25,556,857.38 and 10,259,706.90 is: 14,158,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,661.92 : 25,556,857.38 = 10,259,706.90 : x
  2. Step 2: Convert to fraction form
    18,519,661.92/25,556,857.38 = 10,259,706.90/x
  3. Step 3: Cross multiply
    18,519,661.92x = 25,556,857.38 × 10,259,706.90
  4. Step 4: Simplify right side
    18,519,661.92x = 262,205,866,003,901.91
  5. Step 5: Solve for x
    x = 262,205,866,003,901.91/18,519,661.92
  6. Step 6: Final answer
    x = 14,158,242.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.