Home / 25,720,739.76-35,478,475.54-15,259,349.72

Finding the Fourth Proportional to 25,720,739.76, 35,478,475.54 and 15,259,349.72

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Solution

The fourth proportional to 25,720,739.76, 35,478,475.54 and 15,259,349.72 is: 21,048,324.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720,739.76 : 35,478,475.54 = 15,259,349.72 : x
  2. Step 2: Convert to fraction form
    25,720,739.76/35,478,475.54 = 15,259,349.72/x
  3. Step 3: Cross multiply
    25,720,739.76x = 35,478,475.54 × 15,259,349.72
  4. Step 4: Simplify right side
    25,720,739.76x = 541,378,465,797,325.88
  5. Step 5: Solve for x
    x = 541,378,465,797,325.88/25,720,739.76
  6. Step 6: Final answer
    x = 21,048,324.07

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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.