Home / 40,582,503.75-56,004,576.89-21,998,252.55

Finding the Fourth Proportional to 40,582,503.75, 56,004,576.89 and 21,998,252.55

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Solution

The fourth proportional to 40,582,503.75, 56,004,576.89 and 21,998,252.55 is: 30,357,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,582,503.75 : 56,004,576.89 = 21,998,252.55 : x
  2. Step 2: Convert to fraction form
    40,582,503.75/56,004,576.89 = 21,998,252.55/x
  3. Step 3: Cross multiply
    40,582,503.75x = 56,004,576.89 × 21,998,252.55
  4. Step 4: Simplify right side
    40,582,503.75x = 1,232,002,826,272,122.25
  5. Step 5: Solve for x
    x = 1,232,002,826,272,122.25/40,582,503.75
  6. Step 6: Final answer
    x = 30,357,979.73

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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.