Home / 27,961,645.72-38,584,612.74-15,570,803.56

Finding the Fourth Proportional to 27,961,645.72, 38,584,612.74 and 15,570,803.56

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Solution

The fourth proportional to 27,961,645.72, 38,584,612.74 and 15,570,803.56 is: 21,486,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961,645.72 : 38,584,612.74 = 15,570,803.56 : x
  2. Step 2: Convert to fraction form
    27,961,645.72/38,584,612.74 = 15,570,803.56/x
  3. Step 3: Cross multiply
    27,961,645.72x = 38,584,612.74 × 15,570,803.56
  4. Step 4: Simplify right side
    27,961,645.72x = 600,793,425,413,213.38
  5. Step 5: Solve for x
    x = 600,793,425,413,213.38/27,961,645.72
  6. Step 6: Final answer
    x = 21,486,339.95

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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.