Home / 38,845,578.28-53,606,903.52-21,441,927.28

Finding the Fourth Proportional to 38,845,578.28, 53,606,903.52 and 21,441,927.28

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Solution

The fourth proportional to 38,845,578.28, 53,606,903.52 and 21,441,927.28 is: 29,589,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,845,578.28 : 53,606,903.52 = 21,441,927.28 : x
  2. Step 2: Convert to fraction form
    38,845,578.28/53,606,903.52 = 21,441,927.28/x
  3. Step 3: Cross multiply
    38,845,578.28x = 53,606,903.52 × 21,441,927.28
  4. Step 4: Simplify right side
    38,845,578.28x = 1,149,435,326,981,816.25
  5. Step 5: Solve for x
    x = 1,149,435,326,981,816.25/38,845,578.28
  6. Step 6: Final answer
    x = 29,589,862.68

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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.