Home / 18,173,034.05-27,272,837.10-12,105,749.30

Finding the Fourth Proportional to 18,173,034.05, 27,272,837.10 and 12,105,749.30

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Solution

The fourth proportional to 18,173,034.05, 27,272,837.10 and 12,105,749.30 is: 18,167,474.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,034.05 : 27,272,837.10 = 12,105,749.30 : x
  2. Step 2: Convert to fraction form
    18,173,034.05/27,272,837.10 = 12,105,749.30/x
  3. Step 3: Cross multiply
    18,173,034.05x = 27,272,837.10 × 12,105,749.30
  4. Step 4: Simplify right side
    18,173,034.05x = 330,158,128,632,339.06
  5. Step 5: Solve for x
    x = 330,158,128,632,339.06/18,173,034.05
  6. Step 6: Final answer
    x = 18,167,474.28

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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.