Home / 27,853,887.96-38,441,127.60-15,630,793.56

Finding the Fourth Proportional to 27,853,887.96, 38,441,127.60 and 15,630,793.56

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Solution

The fourth proportional to 27,853,887.96, 38,441,127.60 and 15,630,793.56 is: 21,572,045.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,853,887.96 : 38,441,127.60 = 15,630,793.56 : x
  2. Step 2: Convert to fraction form
    27,853,887.96/38,441,127.60 = 15,630,793.56/x
  3. Step 3: Cross multiply
    27,853,887.96x = 38,441,127.60 × 15,630,793.56
  4. Step 4: Simplify right side
    27,853,887.96x = 600,865,329,729,218.25
  5. Step 5: Solve for x
    x = 600,865,329,729,218.25/27,853,887.96
  6. Step 6: Final answer
    x = 21,572,045.19

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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.