Home / 15,270,742.08-21,066,601.92-13,530,174.48

Finding the Fourth Proportional to 15,270,742.08, 21,066,601.92 and 13,530,174.48

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Solution

The fourth proportional to 15,270,742.08, 21,066,601.92 and 13,530,174.48 is: 18,665,419.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,742.08 : 21,066,601.92 = 13,530,174.48 : x
  2. Step 2: Convert to fraction form
    15,270,742.08/21,066,601.92 = 13,530,174.48/x
  3. Step 3: Cross multiply
    15,270,742.08x = 21,066,601.92 × 13,530,174.48
  4. Step 4: Simplify right side
    15,270,742.08x = 285,034,799,678,303.06
  5. Step 5: Solve for x
    x = 285,034,799,678,303.06/15,270,742.08
  6. Step 6: Final answer
    x = 18,665,419.02

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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.