Home / 28,979,505.54-39,992,617.62-15,926,527.26

Finding the Fourth Proportional to 28,979,505.54, 39,992,617.62 and 15,926,527.26

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Solution

The fourth proportional to 28,979,505.54, 39,992,617.62 and 15,926,527.26 is: 21,979,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,505.54 : 39,992,617.62 = 15,926,527.26 : x
  2. Step 2: Convert to fraction form
    28,979,505.54/39,992,617.62 = 15,926,527.26/x
  3. Step 3: Cross multiply
    28,979,505.54x = 39,992,617.62 × 15,926,527.26
  4. Step 4: Simplify right side
    28,979,505.54x = 636,943,514,723,686.25
  5. Step 5: Solve for x
    x = 636,943,514,723,686.25/28,979,505.54
  6. Step 6: Final answer
    x = 21,979,102.23

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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.