Home / 12,504,607.66-18,756,561.56-3,985,455.34

Finding the Fourth Proportional to 12,504,607.66, 18,756,561.56 and 3,985,455.34

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Solution

The fourth proportional to 12,504,607.66, 18,756,561.56 and 3,985,455.34 is: 5,978,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,607.66 : 18,756,561.56 = 3,985,455.34 : x
  2. Step 2: Convert to fraction form
    12,504,607.66/18,756,561.56 = 3,985,455.34/x
  3. Step 3: Cross multiply
    12,504,607.66x = 18,756,561.56 × 3,985,455.34
  4. Step 4: Simplify right side
    12,504,607.66x = 74,753,438,429,340.72
  5. Step 5: Solve for x
    x = 74,753,438,429,340.72/12,504,607.66
  6. Step 6: Final answer
    x = 5,978,071.48

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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.