Home / 12,555,507.23-18,834,174.27-5,261,645.58

Finding the Fourth Proportional to 12,555,507.23, 18,834,174.27 and 5,261,645.58

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Solution

The fourth proportional to 12,555,507.23, 18,834,174.27 and 5,261,645.58 is: 7,892,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,507.23 : 18,834,174.27 = 5,261,645.58 : x
  2. Step 2: Convert to fraction form
    12,555,507.23/18,834,174.27 = 5,261,645.58/x
  3. Step 3: Cross multiply
    12,555,507.23x = 18,834,174.27 × 5,261,645.58
  4. Step 4: Simplify right side
    12,555,507.23x = 99,098,749,800,695.22
  5. Step 5: Solve for x
    x = 99,098,749,800,695.22/12,555,507.23
  6. Step 6: Final answer
    x = 7,892,851.16

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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.