Home / 13,580,291.72-18,737,522.15-8,616,923.37

Finding the Fourth Proportional to 13,580,291.72, 18,737,522.15 and 8,616,923.37

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Solution

The fourth proportional to 13,580,291.72, 18,737,522.15 and 8,616,923.37 is: 11,889,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,291.72 : 18,737,522.15 = 8,616,923.37 : x
  2. Step 2: Convert to fraction form
    13,580,291.72/18,737,522.15 = 8,616,923.37/x
  3. Step 3: Cross multiply
    13,580,291.72x = 18,737,522.15 × 8,616,923.37
  4. Step 4: Simplify right side
    13,580,291.72x = 161,459,792,467,143
  5. Step 5: Solve for x
    x = 161,459,792,467,143/13,580,291.72
  6. Step 6: Final answer
    x = 11,889,272.76

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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.