Home / 20,190,969.87-27,863,392.96-11,023,612.59

Finding the Fourth Proportional to 20,190,969.87, 27,863,392.96 and 11,023,612.59

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Solution

The fourth proportional to 20,190,969.87, 27,863,392.96 and 11,023,612.59 is: 15,212,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,969.87 : 27,863,392.96 = 11,023,612.59 : x
  2. Step 2: Convert to fraction form
    20,190,969.87/27,863,392.96 = 11,023,612.59/x
  3. Step 3: Cross multiply
    20,190,969.87x = 27,863,392.96 × 11,023,612.59
  4. Step 4: Simplify right side
    20,190,969.87x = 307,155,249,433,973.38
  5. Step 5: Solve for x
    x = 307,155,249,433,973.38/20,190,969.87
  6. Step 6: Final answer
    x = 15,212,505.96

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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.