Home / 12,307,912.68-18,462,656.31-4,734,878.43

Finding the Fourth Proportional to 12,307,912.68, 18,462,656.31 and 4,734,878.43

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Solution

The fourth proportional to 12,307,912.68, 18,462,656.31 and 4,734,878.43 is: 7,102,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,912.68 : 18,462,656.31 = 4,734,878.43 : x
  2. Step 2: Convert to fraction form
    12,307,912.68/18,462,656.31 = 4,734,878.43/x
  3. Step 3: Cross multiply
    12,307,912.68x = 18,462,656.31 × 4,734,878.43
  4. Step 4: Simplify right side
    12,307,912.68x = 87,418,433,122,722.38
  5. Step 5: Solve for x
    x = 87,418,433,122,722.38/12,307,912.68
  6. Step 6: Final answer
    x = 7,102,620.52

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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.