Home / 18,843,621.30-26,010,879.30-11,401,666.92

Finding the Fourth Proportional to 18,843,621.30, 26,010,879.30 and 11,401,666.92

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Solution

The fourth proportional to 18,843,621.30, 26,010,879.30 and 11,401,666.92 is: 15,738,343.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843,621.30 : 26,010,879.30 = 11,401,666.92 : x
  2. Step 2: Convert to fraction form
    18,843,621.30/26,010,879.30 = 11,401,666.92/x
  3. Step 3: Cross multiply
    18,843,621.30x = 26,010,879.30 × 11,401,666.92
  4. Step 4: Simplify right side
    18,843,621.30x = 296,567,382,074,922.75
  5. Step 5: Solve for x
    x = 296,567,382,074,922.75/18,843,621.30
  6. Step 6: Final answer
    x = 15,738,343.36

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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.