Home / 15,001,932.56-20,702,239.32-8,806,879.62

Finding the Fourth Proportional to 15,001,932.56, 20,702,239.32 and 8,806,879.62

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Solution

The fourth proportional to 15,001,932.56, 20,702,239.32 and 8,806,879.62 is: 12,153,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001,932.56 : 20,702,239.32 = 8,806,879.62 : x
  2. Step 2: Convert to fraction form
    15,001,932.56/20,702,239.32 = 8,806,879.62/x
  3. Step 3: Cross multiply
    15,001,932.56x = 20,702,239.32 × 8,806,879.62
  4. Step 4: Simplify right side
    15,001,932.56x = 182,322,129,555,670.66
  5. Step 5: Solve for x
    x = 182,322,129,555,670.66/15,001,932.56
  6. Step 6: Final answer
    x = 12,153,242.85

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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.