Home / 25,720,734.76-35,478,468.64-15,259,344.72

Finding the Fourth Proportional to 25,720,734.76, 35,478,468.64 and 15,259,344.72

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Solution

The fourth proportional to 25,720,734.76, 35,478,468.64 and 15,259,344.72 is: 21,048,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720,734.76 : 35,478,468.64 = 15,259,344.72 : x
  2. Step 2: Convert to fraction form
    25,720,734.76/35,478,468.64 = 15,259,344.72/x
  3. Step 3: Cross multiply
    25,720,734.76x = 35,478,468.64 × 15,259,344.72
  4. Step 4: Simplify right side
    25,720,734.76x = 541,378,183,115,469.62
  5. Step 5: Solve for x
    x = 541,378,183,115,469.62/25,720,734.76
  6. Step 6: Final answer
    x = 21,048,317.17

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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.