Home / 12,199,656.75-18,298,736.40-5,011,004.15

Finding the Fourth Proportional to 12,199,656.75, 18,298,736.40 and 5,011,004.15

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Solution

The fourth proportional to 12,199,656.75, 18,298,736.40 and 5,011,004.15 is: 7,516,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,656.75 : 18,298,736.40 = 5,011,004.15 : x
  2. Step 2: Convert to fraction form
    12,199,656.75/18,298,736.40 = 5,011,004.15/x
  3. Step 3: Cross multiply
    12,199,656.75x = 18,298,736.40 × 5,011,004.15
  4. Step 4: Simplify right side
    12,199,656.75x = 91,695,044,040,156.06
  5. Step 5: Solve for x
    x = 91,695,044,040,156.06/12,199,656.75
  6. Step 6: Final answer
    x = 7,516,198.69

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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.