Home / 15,256,558.75-21,059,575.78-10,101,581.05

Finding the Fourth Proportional to 15,256,558.75, 21,059,575.78 and 10,101,581.05

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Solution

The fourth proportional to 15,256,558.75, 21,059,575.78 and 10,101,581.05 is: 13,943,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,256,558.75 : 21,059,575.78 = 10,101,581.05 : x
  2. Step 2: Convert to fraction form
    15,256,558.75/21,059,575.78 = 10,101,581.05/x
  3. Step 3: Cross multiply
    15,256,558.75x = 21,059,575.78 × 10,101,581.05
  4. Step 4: Simplify right side
    15,256,558.75x = 212,735,011,620,287
  5. Step 5: Solve for x
    x = 212,735,011,620,287/15,256,558.75
  6. Step 6: Final answer
    x = 13,943,839.83

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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.