Home / 20,799,509.28-28,703,224.80-11,632,188.48

Finding the Fourth Proportional to 20,799,509.28, 28,703,224.80 and 11,632,188.48

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Solution

The fourth proportional to 20,799,509.28, 28,703,224.80 and 11,632,188.48 is: 16,052,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799,509.28 : 28,703,224.80 = 11,632,188.48 : x
  2. Step 2: Convert to fraction form
    20,799,509.28/28,703,224.80 = 11,632,188.48/x
  3. Step 3: Cross multiply
    20,799,509.28x = 28,703,224.80 × 11,632,188.48
  4. Step 4: Simplify right side
    20,799,509.28x = 333,881,320,857,410.31
  5. Step 5: Solve for x
    x = 333,881,320,857,410.31/20,799,509.28
  6. Step 6: Final answer
    x = 16,052,365.29

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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.