Home / 13,540,465.26-18,680,938.20-8,896,751.37

Finding the Fourth Proportional to 13,540,465.26, 18,680,938.20 and 8,896,751.37

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Solution

The fourth proportional to 13,540,465.26, 18,680,938.20 and 8,896,751.37 is: 12,274,294.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,465.26 : 18,680,938.20 = 8,896,751.37 : x
  2. Step 2: Convert to fraction form
    13,540,465.26/18,680,938.20 = 8,896,751.37/x
  3. Step 3: Cross multiply
    13,540,465.26x = 18,680,938.20 × 8,896,751.37
  4. Step 4: Simplify right side
    13,540,465.26x = 166,199,662,523,735.31
  5. Step 5: Solve for x
    x = 166,199,662,523,735.31/13,540,465.26
  6. Step 6: Final answer
    x = 12,274,294.81

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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.