Home / 27,957,173.66-38,580,531.58-15,397,986.98

Finding the Fourth Proportional to 27,957,173.66, 38,580,531.58 and 15,397,986.98

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Solution

The fourth proportional to 27,957,173.66, 38,580,531.58 and 15,397,986.98 is: 21,249,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957,173.66 : 38,580,531.58 = 15,397,986.98 : x
  2. Step 2: Convert to fraction form
    27,957,173.66/38,580,531.58 = 15,397,986.98/x
  3. Step 3: Cross multiply
    27,957,173.66x = 38,580,531.58 × 15,397,986.98
  4. Step 4: Simplify right side
    27,957,173.66x = 594,062,522,950,318.88
  5. Step 5: Solve for x
    x = 594,062,522,950,318.88/27,957,173.66
  6. Step 6: Final answer
    x = 21,249,019.31

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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.