Home / 18,472,322.78-25,490,709.85-10,211,892.44

Finding the Fourth Proportional to 18,472,322.78, 25,490,709.85 and 10,211,892.44

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Solution

The fourth proportional to 18,472,322.78, 25,490,709.85 and 10,211,892.44 is: 14,091,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472,322.78 : 25,490,709.85 = 10,211,892.44 : x
  2. Step 2: Convert to fraction form
    18,472,322.78/25,490,709.85 = 10,211,892.44/x
  3. Step 3: Cross multiply
    18,472,322.78x = 25,490,709.85 × 10,211,892.44
  4. Step 4: Simplify right side
    18,472,322.78x = 260,308,387,116,576.59
  5. Step 5: Solve for x
    x = 260,308,387,116,576.59/18,472,322.78
  6. Step 6: Final answer
    x = 14,091,805.90

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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.