Home / 28,979,555.59-39,992,745.50-15,927,277.15

Finding the Fourth Proportional to 28,979,555.59, 39,992,745.50 and 15,927,277.15

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Solution

The fourth proportional to 28,979,555.59, 39,992,745.50 and 15,927,277.15 is: 21,980,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,555.59 : 39,992,745.50 = 15,927,277.15 : x
  2. Step 2: Convert to fraction form
    28,979,555.59/39,992,745.50 = 15,927,277.15/x
  3. Step 3: Cross multiply
    28,979,555.59x = 39,992,745.50 × 15,927,277.15
  4. Step 4: Simplify right side
    28,979,555.59x = 636,975,541,567,915.38
  5. Step 5: Solve for x
    x = 636,975,541,567,915.38/28,979,555.59
  6. Step 6: Final answer
    x = 21,980,169.42

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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.