Home / 18,215,081.64-27,318,597.12-5,258,416.32

Finding the Fourth Proportional to 18,215,081.64, 27,318,597.12 and 5,258,416.32

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Solution

The fourth proportional to 18,215,081.64, 27,318,597.12 and 5,258,416.32 is: 7,886,462.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,081.64 : 27,318,597.12 = 5,258,416.32 : x
  2. Step 2: Convert to fraction form
    18,215,081.64/27,318,597.12 = 5,258,416.32/x
  3. Step 3: Cross multiply
    18,215,081.64x = 27,318,597.12 × 5,258,416.32
  4. Step 4: Simplify right side
    18,215,081.64x = 143,652,556,935,313
  5. Step 5: Solve for x
    x = 143,652,556,935,313/18,215,081.64
  6. Step 6: Final answer
    x = 7,886,462.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.