Home / 27,801,925.52-38,366,656.39-15,411,987.55

Finding the Fourth Proportional to 27,801,925.52, 38,366,656.39 and 15,411,987.55

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Solution

The fourth proportional to 27,801,925.52, 38,366,656.39 and 15,411,987.55 is: 21,268,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801,925.52 : 38,366,656.39 = 15,411,987.55 : x
  2. Step 2: Convert to fraction form
    27,801,925.52/38,366,656.39 = 15,411,987.55/x
  3. Step 3: Cross multiply
    27,801,925.52x = 38,366,656.39 × 15,411,987.55
  4. Step 4: Simplify right side
    27,801,925.52x = 591,306,430,540,748
  5. Step 5: Solve for x
    x = 591,306,430,540,748/27,801,925.52
  6. Step 6: Final answer
    x = 21,268,542.36

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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.