Home / 20,745,008.94-28,627,361.07-11,452,379.73

Finding the Fourth Proportional to 20,745,008.94, 28,627,361.07 and 11,452,379.73

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Solution

The fourth proportional to 20,745,008.94, 28,627,361.07 and 11,452,379.73 is: 15,803,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,008.94 : 28,627,361.07 = 11,452,379.73 : x
  2. Step 2: Convert to fraction form
    20,745,008.94/28,627,361.07 = 11,452,379.73/x
  3. Step 3: Cross multiply
    20,745,008.94x = 28,627,361.07 × 11,452,379.73
  4. Step 4: Simplify right side
    20,745,008.94x = 327,851,409,641,459.12
  5. Step 5: Solve for x
    x = 327,851,409,641,459.12/20,745,008.94
  6. Step 6: Final answer
    x = 15,803,869.29

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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.