Home / 20,727,155.88-28,588,664.88-17,968,911.48

Finding the Fourth Proportional to 20,727,155.88, 28,588,664.88 and 17,968,911.48

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Solution

The fourth proportional to 20,727,155.88, 28,588,664.88 and 17,968,911.48 is: 24,784,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,155.88 : 28,588,664.88 = 17,968,911.48 : x
  2. Step 2: Convert to fraction form
    20,727,155.88/28,588,664.88 = 17,968,911.48/x
  3. Step 3: Cross multiply
    20,727,155.88x = 28,588,664.88 × 17,968,911.48
  4. Step 4: Simplify right side
    20,727,155.88x = 513,707,188,560,104.81
  5. Step 5: Solve for x
    x = 513,707,188,560,104.81/20,727,155.88
  6. Step 6: Final answer
    x = 24,784,258.46

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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.