Home / 25,720,738.76-35,478,474.16-15,259,348.72

Finding the Fourth Proportional to 25,720,738.76, 35,478,474.16 and 15,259,348.72

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Solution

The fourth proportional to 25,720,738.76, 35,478,474.16 and 15,259,348.72 is: 21,048,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720,738.76 : 35,478,474.16 = 15,259,348.72 : x
  2. Step 2: Convert to fraction form
    25,720,738.76/35,478,474.16 = 15,259,348.72/x
  3. Step 3: Cross multiply
    25,720,738.76x = 35,478,474.16 × 15,259,348.72
  4. Step 4: Simplify right side
    25,720,738.76x = 541,378,409,260,949.06
  5. Step 5: Solve for x
    x = 541,378,409,260,949.06/25,720,738.76
  6. Step 6: Final answer
    x = 21,048,322.69

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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.