Home / 27,711,615.44-38,243,362.20-15,321,479.60

Finding the Fourth Proportional to 27,711,615.44, 38,243,362.20 and 15,321,479.60

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Solution

The fourth proportional to 27,711,615.44, 38,243,362.20 and 15,321,479.60 is: 21,144,378.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,711,615.44 : 38,243,362.20 = 15,321,479.60 : x
  2. Step 2: Convert to fraction form
    27,711,615.44/38,243,362.20 = 15,321,479.60/x
  3. Step 3: Cross multiply
    27,711,615.44x = 38,243,362.20 × 15,321,479.60
  4. Step 4: Simplify right side
    27,711,615.44x = 585,944,893,782,711.12
  5. Step 5: Solve for x
    x = 585,944,893,782,711.12/27,711,615.44
  6. Step 6: Final answer
    x = 21,144,378.79

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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.