Home / 14,986,667.78-20,680,447.13-8,460,942.27

Finding the Fourth Proportional to 14,986,667.78, 20,680,447.13 and 8,460,942.27

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Solution

The fourth proportional to 14,986,667.78, 20,680,447.13 and 8,460,942.27 is: 11,675,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986,667.78 : 20,680,447.13 = 8,460,942.27 : x
  2. Step 2: Convert to fraction form
    14,986,667.78/20,680,447.13 = 8,460,942.27/x
  3. Step 3: Cross multiply
    14,986,667.78x = 20,680,447.13 × 8,460,942.27
  4. Step 4: Simplify right side
    14,986,667.78x = 174,976,069,139,010.25
  5. Step 5: Solve for x
    x = 174,976,069,139,010.25/14,986,667.78
  6. Step 6: Final answer
    x = 11,675,448.59

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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.