Home / 31,590,420.85-43,593,998.34-17,650,920.25

Finding the Fourth Proportional to 31,590,420.85, 43,593,998.34 and 17,650,920.25

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Solution

The fourth proportional to 31,590,420.85, 43,593,998.34 and 17,650,920.25 is: 24,357,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590,420.85 : 43,593,998.34 = 17,650,920.25 : x
  2. Step 2: Convert to fraction form
    31,590,420.85/43,593,998.34 = 17,650,920.25/x
  3. Step 3: Cross multiply
    31,590,420.85x = 43,593,998.34 × 17,650,920.25
  4. Step 4: Simplify right side
    31,590,420.85x = 769,474,188,077,972.50
  5. Step 5: Solve for x
    x = 769,474,188,077,972.50/31,590,420.85
  6. Step 6: Final answer
    x = 24,357,832.77

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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.