Home / 18,477,436.91-25,490,387.44-11,953,170.30

Finding the Fourth Proportional to 18,477,436.91, 25,490,387.44 and 11,953,170.30

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Solution

The fourth proportional to 18,477,436.91, 25,490,387.44 and 11,953,170.30 is: 16,489,892.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,436.91 : 25,490,387.44 = 11,953,170.30 : x
  2. Step 2: Convert to fraction form
    18,477,436.91/25,490,387.44 = 11,953,170.30/x
  3. Step 3: Cross multiply
    18,477,436.91x = 25,490,387.44 × 11,953,170.30
  4. Step 4: Simplify right side
    18,477,436.91x = 304,690,942,193,831.50
  5. Step 5: Solve for x
    x = 304,690,942,193,831.50/18,477,436.91
  6. Step 6: Final answer
    x = 16,489,892.17

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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.