Home / 21,429,999.92-32,144,912.39-7,783,119.92

Finding the Fourth Proportional to 21,429,999.92, 32,144,912.39 and 7,783,119.92

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Solution

The fourth proportional to 21,429,999.92, 32,144,912.39 and 7,783,119.92 is: 11,674,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,999.92 : 32,144,912.39 = 7,783,119.92 : x
  2. Step 2: Convert to fraction form
    21,429,999.92/32,144,912.39 = 7,783,119.92/x
  3. Step 3: Cross multiply
    21,429,999.92x = 32,144,912.39 × 7,783,119.92
  4. Step 4: Simplify right side
    21,429,999.92x = 250,187,707,807,997.03
  5. Step 5: Solve for x
    x = 250,187,707,807,997.03/21,429,999.92
  6. Step 6: Final answer
    x = 11,674,648.10

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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.