Home / 14,429,016.75-19,912,669.04-7,990,488.75

Finding the Fourth Proportional to 14,429,016.75, 19,912,669.04 and 7,990,488.75

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Solution

The fourth proportional to 14,429,016.75, 19,912,669.04 and 7,990,488.75 is: 11,027,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,016.75 : 19,912,669.04 = 7,990,488.75 : x
  2. Step 2: Convert to fraction form
    14,429,016.75/19,912,669.04 = 7,990,488.75/x
  3. Step 3: Cross multiply
    14,429,016.75x = 19,912,669.04 × 7,990,488.75
  4. Step 4: Simplify right side
    14,429,016.75x = 159,111,957,906,640.84
  5. Step 5: Solve for x
    x = 159,111,957,906,640.84/14,429,016.75
  6. Step 6: Final answer
    x = 11,027,221.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.