Home / 31,282,910.88-46,951,381.23-21,705,015.45

Finding the Fourth Proportional to 31,282,910.88, 46,951,381.23 and 21,705,015.45

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Solution

The fourth proportional to 31,282,910.88, 46,951,381.23 and 21,705,015.45 is: 32,576,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282,910.88 : 46,951,381.23 = 21,705,015.45 : x
  2. Step 2: Convert to fraction form
    31,282,910.88/46,951,381.23 = 21,705,015.45/x
  3. Step 3: Cross multiply
    31,282,910.88x = 46,951,381.23 × 21,705,015.45
  4. Step 4: Simplify right side
    31,282,910.88x = 1,019,080,454,995,989.88
  5. Step 5: Solve for x
    x = 1,019,080,454,995,989.88/31,282,910.88
  6. Step 6: Final answer
    x = 32,576,266.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.