Home / 39,260,613.77-54,178,591.02-21,856,958.63

Finding the Fourth Proportional to 39,260,613.77, 54,178,591.02 and 21,856,958.63

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Solution

The fourth proportional to 39,260,613.77, 54,178,591.02 and 21,856,958.63 is: 30,162,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260,613.77 : 54,178,591.02 = 21,856,958.63 : x
  2. Step 2: Convert to fraction form
    39,260,613.77/54,178,591.02 = 21,856,958.63/x
  3. Step 3: Cross multiply
    39,260,613.77x = 54,178,591.02 × 21,856,958.63
  4. Step 4: Simplify right side
    39,260,613.77x = 1,184,179,222,175,651.75
  5. Step 5: Solve for x
    x = 1,184,179,222,175,651.75/39,260,613.77
  6. Step 6: Final answer
    x = 30,162,015.02

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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.