Home / 38,986,338.53-53,799,015.71-21,341,827.73

Finding the Fourth Proportional to 38,986,338.53, 53,799,015.71 and 21,341,827.73

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Solution

The fourth proportional to 38,986,338.53, 53,799,015.71 and 21,341,827.73 is: 29,450,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986,338.53 : 53,799,015.71 = 21,341,827.73 : x
  2. Step 2: Convert to fraction form
    38,986,338.53/53,799,015.71 = 21,341,827.73/x
  3. Step 3: Cross multiply
    38,986,338.53x = 53,799,015.71 × 21,341,827.73
  4. Step 4: Simplify right side
    38,986,338.53x = 1,148,169,324,950,679.50
  5. Step 5: Solve for x
    x = 1,148,169,324,950,679.50/38,986,338.53
  6. Step 6: Final answer
    x = 29,450,555.46

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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.