Home / 28,943,502.09-39,940,243.37-15,890,687.83

Finding the Fourth Proportional to 28,943,502.09, 39,940,243.37 and 15,890,687.83

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Solution

The fourth proportional to 28,943,502.09, 39,940,243.37 and 15,890,687.83 is: 21,928,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943,502.09 : 39,940,243.37 = 15,890,687.83 : x
  2. Step 2: Convert to fraction form
    28,943,502.09/39,940,243.37 = 15,890,687.83/x
  3. Step 3: Cross multiply
    28,943,502.09x = 39,940,243.37 × 15,890,687.83
  4. Step 4: Simplify right side
    28,943,502.09x = 634,677,939,366,344.25
  5. Step 5: Solve for x
    x = 634,677,939,366,344.25/28,943,502.09
  6. Step 6: Final answer
    x = 21,928,166.73

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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.