Home / 12,307,991.72-18,462,225.11-3,788,319.38

Finding the Fourth Proportional to 12,307,991.72, 18,462,225.11 and 3,788,319.38

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Solution

The fourth proportional to 12,307,991.72, 18,462,225.11 and 3,788,319.38 is: 5,682,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,991.72 : 18,462,225.11 = 3,788,319.38 : x
  2. Step 2: Convert to fraction form
    12,307,991.72/18,462,225.11 = 3,788,319.38/x
  3. Step 3: Cross multiply
    12,307,991.72x = 18,462,225.11 × 3,788,319.38
  4. Step 4: Simplify right side
    12,307,991.72x = 69,940,805,070,882.91
  5. Step 5: Solve for x
    x = 69,940,805,070,882.91/12,307,991.72
  6. Step 6: Final answer
    x = 5,682,552.17

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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.