Home / 27,658,234.79-38,167,363.72-15,268,062.20

Finding the Fourth Proportional to 27,658,234.79, 38,167,363.72 and 15,268,062.20

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Solution

The fourth proportional to 27,658,234.79, 38,167,363.72 and 15,268,062.20 is: 21,069,373.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,234.79 : 38,167,363.72 = 15,268,062.20 : x
  2. Step 2: Convert to fraction form
    27,658,234.79/38,167,363.72 = 15,268,062.20/x
  3. Step 3: Cross multiply
    27,658,234.79x = 38,167,363.72 × 15,268,062.20
  4. Step 4: Simplify right side
    27,658,234.79x = 582,741,683,115,231.62
  5. Step 5: Solve for x
    x = 582,741,683,115,231.62/27,658,234.79
  6. Step 6: Final answer
    x = 21,069,373.64

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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.