Home / 15,284,572.19-21,092,708.90-8,408,906.63

Finding the Fourth Proportional to 15,284,572.19, 21,092,708.90 and 8,408,906.63

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Solution

The fourth proportional to 15,284,572.19, 21,092,708.90 and 8,408,906.63 is: 11,604,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,572.19 : 21,092,708.90 = 8,408,906.63 : x
  2. Step 2: Convert to fraction form
    15,284,572.19/21,092,708.90 = 8,408,906.63/x
  3. Step 3: Cross multiply
    15,284,572.19x = 21,092,708.90 × 8,408,906.63
  4. Step 4: Simplify right side
    15,284,572.19x = 177,366,619,629,428.72
  5. Step 5: Solve for x
    x = 177,366,619,629,428.72/15,284,572.19
  6. Step 6: Final answer
    x = 11,604,290.75

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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.