Home / 38,661,666-53,351,733.42-21,257,889.36

Finding the Fourth Proportional to 38,661,666, 53,351,733.42 and 21,257,889.36

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Solution

The fourth proportional to 38,661,666, 53,351,733.42 and 21,257,889.36 is: 29,335,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661,666 : 53,351,733.42 = 21,257,889.36 : x
  2. Step 2: Convert to fraction form
    38,661,666/53,351,733.42 = 21,257,889.36/x
  3. Step 3: Cross multiply
    38,661,666x = 53,351,733.42 × 21,257,889.36
  4. Step 4: Simplify right side
    38,661,666x = 1,134,145,246,206,574.50
  5. Step 5: Solve for x
    x = 1,134,145,246,206,574.50/38,661,666
  6. Step 6: Final answer
    x = 29,335,136.42

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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.