Home / 20,458,925.11-28,233,258.91-11,291,502.25

Finding the Fourth Proportional to 20,458,925.11, 28,233,258.91 and 11,291,502.25

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Solution

The fourth proportional to 20,458,925.11, 28,233,258.91 and 11,291,502.25 is: 15,582,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458,925.11 : 28,233,258.91 = 11,291,502.25 : x
  2. Step 2: Convert to fraction form
    20,458,925.11/28,233,258.91 = 11,291,502.25/x
  3. Step 3: Cross multiply
    20,458,925.11x = 28,233,258.91 × 11,291,502.25
  4. Step 4: Simplify right side
    20,458,925.11x = 318,795,906,507,097.56
  5. Step 5: Solve for x
    x = 318,795,906,507,097.56/20,458,925.11
  6. Step 6: Final answer
    x = 15,582,241.24

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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.