Home / 21,020,667.84-29,008,481.33-11,727,684.92

Finding the Fourth Proportional to 21,020,667.84, 29,008,481.33 and 11,727,684.92

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Solution

The fourth proportional to 21,020,667.84, 29,008,481.33 and 11,727,684.92 is: 16,184,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,020,667.84 : 29,008,481.33 = 11,727,684.92 : x
  2. Step 2: Convert to fraction form
    21,020,667.84/29,008,481.33 = 11,727,684.92/x
  3. Step 3: Cross multiply
    21,020,667.84x = 29,008,481.33 × 11,727,684.92
  4. Step 4: Simplify right side
    21,020,667.84x = 340,202,329,147,782.94
  5. Step 5: Solve for x
    x = 340,202,329,147,782.94/21,020,667.84
  6. Step 6: Final answer
    x = 16,184,182.72

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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.