Home / 20,250,401.05-27,945,627.51-10,957,971.19

Finding the Fourth Proportional to 20,250,401.05, 27,945,627.51 and 10,957,971.19

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Solution

The fourth proportional to 20,250,401.05, 27,945,627.51 and 10,957,971.19 is: 15,122,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,401.05 : 27,945,627.51 = 10,957,971.19 : x
  2. Step 2: Convert to fraction form
    20,250,401.05/27,945,627.51 = 10,957,971.19/x
  3. Step 3: Cross multiply
    20,250,401.05x = 27,945,627.51 × 10,957,971.19
  4. Step 4: Simplify right side
    20,250,401.05x = 306,227,381,150,795.94
  5. Step 5: Solve for x
    x = 306,227,381,150,795.94/20,250,401.05
  6. Step 6: Final answer
    x = 15,122,040.32

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1.5x scale

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.