Home / 27,759,945.90-38,309,922.50-15,370,039.58

Finding the Fourth Proportional to 27,759,945.90, 38,309,922.50 and 15,370,039.58

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Solution

The fourth proportional to 27,759,945.90, 38,309,922.50 and 15,370,039.58 is: 21,211,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759,945.90 : 38,309,922.50 = 15,370,039.58 : x
  2. Step 2: Convert to fraction form
    27,759,945.90/38,309,922.50 = 15,370,039.58/x
  3. Step 3: Cross multiply
    27,759,945.90x = 38,309,922.50 × 15,370,039.58
  4. Step 4: Simplify right side
    27,759,945.90x = 588,825,025,131,732.50
  5. Step 5: Solve for x
    x = 588,825,025,131,732.50/27,759,945.90
  6. Step 6: Final answer
    x = 21,211,317.46

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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.