Home / 38,682,449.24-53,382,061.36-21,041,504.11

Finding the Fourth Proportional to 38,682,449.24, 53,382,061.36 and 21,041,504.11

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Solution

The fourth proportional to 38,682,449.24, 53,382,061.36 and 21,041,504.11 is: 29,037,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682,449.24 : 53,382,061.36 = 21,041,504.11 : x
  2. Step 2: Convert to fraction form
    38,682,449.24/53,382,061.36 = 21,041,504.11/x
  3. Step 3: Cross multiply
    38,682,449.24x = 53,382,061.36 × 21,041,504.11
  4. Step 4: Simplify right side
    38,682,449.24x = 1,123,238,863,210,661.25
  5. Step 5: Solve for x
    x = 1,123,238,863,210,661.25/38,682,449.24
  6. Step 6: Final answer
    x = 29,037,428.74

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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.