Home / 27,957,180.69-38,580,541.20-15,397,993.98

Finding the Fourth Proportional to 27,957,180.69, 38,580,541.20 and 15,397,993.98

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Solution

The fourth proportional to 27,957,180.69, 38,580,541.20 and 15,397,993.98 is: 21,249,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,957,180.69 : 38,580,541.20 = 15,397,993.98 : x
  2. Step 2: Convert to fraction form
    27,957,180.69/38,580,541.20 = 15,397,993.98/x
  3. Step 3: Cross multiply
    27,957,180.69x = 38,580,541.20 × 15,397,993.98
  4. Step 4: Simplify right side
    27,957,180.69x = 594,062,941,142,742
  5. Step 5: Solve for x
    x = 594,062,941,142,742/27,957,180.69
  6. Step 6: Final answer
    x = 21,249,028.92

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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.