Home / 18,551,729.52-27,827,742.24-7,619,102.55

Finding the Fourth Proportional to 18,551,729.52, 27,827,742.24 and 7,619,102.55

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Solution

The fourth proportional to 18,551,729.52, 27,827,742.24 and 7,619,102.55 is: 11,428,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551,729.52 : 27,827,742.24 = 7,619,102.55 : x
  2. Step 2: Convert to fraction form
    18,551,729.52/27,827,742.24 = 7,619,102.55/x
  3. Step 3: Cross multiply
    18,551,729.52x = 27,827,742.24 × 7,619,102.55
  4. Step 4: Simplify right side
    18,551,729.52x = 212,022,421,861,526.69
  5. Step 5: Solve for x
    x = 212,022,421,861,526.69/18,551,729.52
  6. Step 6: Final answer
    x = 11,428,714.59

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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.