Home / 38,682,448.58-53,382,060.46-21,041,503.45

Finding the Fourth Proportional to 38,682,448.58, 53,382,060.46 and 21,041,503.45

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Solution

The fourth proportional to 38,682,448.58, 53,382,060.46 and 21,041,503.45 is: 29,037,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682,448.58 : 53,382,060.46 = 21,041,503.45 : x
  2. Step 2: Convert to fraction form
    38,682,448.58/53,382,060.46 = 21,041,503.45/x
  3. Step 3: Cross multiply
    38,682,448.58x = 53,382,060.46 × 21,041,503.45
  4. Step 4: Simplify right side
    38,682,448.58x = 1,123,238,809,337,198.62
  5. Step 5: Solve for x
    x = 1,123,238,809,337,198.62/38,682,448.58
  6. Step 6: Final answer
    x = 29,037,427.84

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Double scale
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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.