Home / 26,861,152.80-40,205,998.80-21,192,448.80

Finding the Fourth Proportional to 26,861,152.80, 40,205,998.80 and 21,192,448.80

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Solution

The fourth proportional to 26,861,152.80, 40,205,998.80 and 21,192,448.80 is: 31,721,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861,152.80 : 40,205,998.80 = 21,192,448.80 : x
  2. Step 2: Convert to fraction form
    26,861,152.80/40,205,998.80 = 21,192,448.80/x
  3. Step 3: Cross multiply
    26,861,152.80x = 40,205,998.80 × 21,192,448.80
  4. Step 4: Simplify right side
    26,861,152.80x = 852,063,571,021,861.38
  5. Step 5: Solve for x
    x = 852,063,571,021,861.38/26,861,152.80
  6. Step 6: Final answer
    x = 31,721,035.11

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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.