Home / 23,302,318.42-32,170,976.40-20,716,842.16

Finding the Fourth Proportional to 23,302,318.42, 32,170,976.40 and 20,716,842.16

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Solution

The fourth proportional to 23,302,318.42, 32,170,976.40 and 20,716,842.16 is: 28,601,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,302,318.42 : 32,170,976.40 = 20,716,842.16 : x
  2. Step 2: Convert to fraction form
    23,302,318.42/32,170,976.40 = 20,716,842.16/x
  3. Step 3: Cross multiply
    23,302,318.42x = 32,170,976.40 × 20,716,842.16
  4. Step 4: Simplify right side
    23,302,318.42x = 666,481,040,211,885
  5. Step 5: Solve for x
    x = 666,481,040,211,885/23,302,318.42
  6. Step 6: Final answer
    x = 28,601,490.56

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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.