Home / 15,491,847.42-21,376,151.88-8,615,409.66

Finding the Fourth Proportional to 15,491,847.42, 21,376,151.88 and 8,615,409.66

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Solution

The fourth proportional to 15,491,847.42, 21,376,151.88 and 8,615,409.66 is: 11,887,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491,847.42 : 21,376,151.88 = 8,615,409.66 : x
  2. Step 2: Convert to fraction form
    15,491,847.42/21,376,151.88 = 8,615,409.66/x
  3. Step 3: Cross multiply
    15,491,847.42x = 21,376,151.88 × 8,615,409.66
  4. Step 4: Simplify right side
    15,491,847.42x = 184,164,305,400,579.16
  5. Step 5: Solve for x
    x = 184,164,305,400,579.16/15,491,847.42
  6. Step 6: Final answer
    x = 11,887,820.76

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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.