Home / 27,397,921.68-37,809,742.86-15,636,954.15

Finding the Fourth Proportional to 27,397,921.68, 37,809,742.86 and 15,636,954.15

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Solution

The fourth proportional to 27,397,921.68, 37,809,742.86 and 15,636,954.15 is: 21,579,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,397,921.68 : 37,809,742.86 = 15,636,954.15 : x
  2. Step 2: Convert to fraction form
    27,397,921.68/37,809,742.86 = 15,636,954.15/x
  3. Step 3: Cross multiply
    27,397,921.68x = 37,809,742.86 × 15,636,954.15
  4. Step 4: Simplify right side
    27,397,921.68x = 591,229,215,525,109.88
  5. Step 5: Solve for x
    x = 591,229,215,525,109.88/27,397,921.68
  6. Step 6: Final answer
    x = 21,579,345.41

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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.