Home / 30,592,541.82-42,216,414.60-16,653,606.78

Finding the Fourth Proportional to 30,592,541.82, 42,216,414.60 and 16,653,606.78

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Solution

The fourth proportional to 30,592,541.82, 42,216,414.60 and 16,653,606.78 is: 22,981,273.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,541.82 : 42,216,414.60 = 16,653,606.78 : x
  2. Step 2: Convert to fraction form
    30,592,541.82/42,216,414.60 = 16,653,606.78/x
  3. Step 3: Cross multiply
    30,592,541.82x = 42,216,414.60 × 16,653,606.78
  4. Step 4: Simplify right side
    30,592,541.82x = 703,055,568,409,851
  5. Step 5: Solve for x
    x = 703,055,568,409,851/30,592,541.82
  6. Step 6: Final answer
    x = 22,981,273.43

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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.