Home / 20,050,640.96-27,669,168.56-11,348,626.72

Finding the Fourth Proportional to 20,050,640.96, 27,669,168.56 and 11,348,626.72

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Solution

The fourth proportional to 20,050,640.96, 27,669,168.56 and 11,348,626.72 is: 15,660,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050,640.96 : 27,669,168.56 = 11,348,626.72 : x
  2. Step 2: Convert to fraction form
    20,050,640.96/27,669,168.56 = 11,348,626.72/x
  3. Step 3: Cross multiply
    20,050,640.96x = 27,669,168.56 × 11,348,626.72
  4. Step 4: Simplify right side
    20,050,640.96x = 314,007,065,640,199.94
  5. Step 5: Solve for x
    x = 314,007,065,640,199.94/20,050,640.96
  6. Step 6: Final answer
    x = 15,660,699.64

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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.