Home / 12,347,933.08-18,433,808.05-11,527,352.91

Finding the Fourth Proportional to 12,347,933.08, 18,433,808.05 and 11,527,352.91

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Solution

The fourth proportional to 12,347,933.08, 18,433,808.05 and 11,527,352.91 is: 17,208,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,933.08 : 18,433,808.05 = 11,527,352.91 : x
  2. Step 2: Convert to fraction form
    12,347,933.08/18,433,808.05 = 11,527,352.91/x
  3. Step 3: Cross multiply
    12,347,933.08x = 18,433,808.05 × 11,527,352.91
  4. Step 4: Simplify right side
    12,347,933.08x = 212,493,010,867,548.94
  5. Step 5: Solve for x
    x = 212,493,010,867,548.94/12,347,933.08
  6. Step 6: Final answer
    x = 17,208,791.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.