Home / 25,146,505.21-34,702,489.83-15,223,258.84

Finding the Fourth Proportional to 25,146,505.21, 34,702,489.83 and 15,223,258.84

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Solution

The fourth proportional to 25,146,505.21, 34,702,489.83 and 15,223,258.84 is: 21,008,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146,505.21 : 34,702,489.83 = 15,223,258.84 : x
  2. Step 2: Convert to fraction form
    25,146,505.21/34,702,489.83 = 15,223,258.84/x
  3. Step 3: Cross multiply
    25,146,505.21x = 34,702,489.83 × 15,223,258.84
  4. Step 4: Simplify right side
    25,146,505.21x = 528,284,985,074,557.56
  5. Step 5: Solve for x
    x = 528,284,985,074,557.56/25,146,505.21
  6. Step 6: Final answer
    x = 21,008,286.47

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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.