Home / 20,801,314.60-31,189,530.30-10,723,618.60

Finding the Fourth Proportional to 20,801,314.60, 31,189,530.30 and 10,723,618.60

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Solution

The fourth proportional to 20,801,314.60, 31,189,530.30 and 10,723,618.60 is: 16,079,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,314.60 : 31,189,530.30 = 10,723,618.60 : x
  2. Step 2: Convert to fraction form
    20,801,314.60/31,189,530.30 = 10,723,618.60/x
  3. Step 3: Cross multiply
    20,801,314.60x = 31,189,530.30 × 10,723,618.60
  4. Step 4: Simplify right side
    20,801,314.60x = 334,464,627,250,343.56
  5. Step 5: Solve for x
    x = 334,464,627,250,343.56/20,801,314.60
  6. Step 6: Final answer
    x = 16,079,013.93

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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.