Home / 27,708,478.87-38,236,057.44-15,317,833.37

Finding the Fourth Proportional to 27,708,478.87, 38,236,057.44 and 15,317,833.37

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Solution

The fourth proportional to 27,708,478.87, 38,236,057.44 and 15,317,833.37 is: 21,137,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,478.87 : 38,236,057.44 = 15,317,833.37 : x
  2. Step 2: Convert to fraction form
    27,708,478.87/38,236,057.44 = 15,317,833.37/x
  3. Step 3: Cross multiply
    27,708,478.87x = 38,236,057.44 × 15,317,833.37
  4. Step 4: Simplify right side
    27,708,478.87x = 585,693,556,429,209.50
  5. Step 5: Solve for x
    x = 585,693,556,429,209.50/27,708,478.87
  6. Step 6: Final answer
    x = 21,137,701.54

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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.