Home / 20,706,735.94-28,575,062.94-11,287,320.46

Finding the Fourth Proportional to 20,706,735.94, 28,575,062.94 and 11,287,320.46

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Solution

The fourth proportional to 20,706,735.94, 28,575,062.94 and 11,287,320.46 is: 15,576,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,735.94 : 28,575,062.94 = 11,287,320.46 : x
  2. Step 2: Convert to fraction form
    20,706,735.94/28,575,062.94 = 11,287,320.46/x
  3. Step 3: Cross multiply
    20,706,735.94x = 28,575,062.94 × 11,287,320.46
  4. Step 4: Simplify right side
    20,706,735.94x = 322,535,892,568,449.81
  5. Step 5: Solve for x
    x = 322,535,892,568,449.81/20,706,735.94
  6. Step 6: Final answer
    x = 15,576,375.41

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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.