Home / 20,242,040.94-27,934,419.78-11,074,880.52

Finding the Fourth Proportional to 20,242,040.94, 27,934,419.78 and 11,074,880.52

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Solution

The fourth proportional to 20,242,040.94, 27,934,419.78 and 11,074,880.52 is: 15,283,555.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242,040.94 : 27,934,419.78 = 11,074,880.52 : x
  2. Step 2: Convert to fraction form
    20,242,040.94/27,934,419.78 = 11,074,880.52/x
  3. Step 3: Cross multiply
    20,242,040.94x = 27,934,419.78 × 11,074,880.52
  4. Step 4: Simplify right side
    20,242,040.94x = 309,370,361,459,024.69
  5. Step 5: Solve for x
    x = 309,370,361,459,024.69/20,242,040.94
  6. Step 6: Final answer
    x = 15,283,555.76

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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.