Home / 27,853,748.96-38,440,935.60-15,630,654.56

Finding the Fourth Proportional to 27,853,748.96, 38,440,935.60 and 15,630,654.56

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Solution

The fourth proportional to 27,853,748.96, 38,440,935.60 and 15,630,654.56 is: 21,571,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853,748.96 : 38,440,935.60 = 15,630,654.56 : x
  2. Step 2: Convert to fraction form
    27,853,748.96/38,440,935.60 = 15,630,654.56/x
  3. Step 3: Cross multiply
    27,853,748.96x = 38,440,935.60 × 15,630,654.56
  4. Step 4: Simplify right side
    27,853,748.96x = 600,856,985,326,806.38
  5. Step 5: Solve for x
    x = 600,856,985,326,806.38/27,853,748.96
  6. Step 6: Final answer
    x = 21,571,853.26

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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.