Home / 38,844,322.38-53,604,336.87-21,202,639.02

Finding the Fourth Proportional to 38,844,322.38, 53,604,336.87 and 21,202,639.02

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Solution

The fourth proportional to 38,844,322.38, 53,604,336.87 and 21,202,639.02 is: 29,259,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,844,322.38 : 53,604,336.87 = 21,202,639.02 : x
  2. Step 2: Convert to fraction form
    38,844,322.38/53,604,336.87 = 21,202,639.02/x
  3. Step 3: Cross multiply
    38,844,322.38x = 53,604,336.87 × 21,202,639.02
  4. Step 4: Simplify right side
    38,844,322.38x = 1,136,553,404,561,086.50
  5. Step 5: Solve for x
    x = 1,136,553,404,561,086.50/38,844,322.38
  6. Step 6: Final answer
    x = 29,259,189.89

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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.