Home / 12,549,784.50-18,832,640.13-5,361,372.54

Finding the Fourth Proportional to 12,549,784.50, 18,832,640.13 and 5,361,372.54

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Solution

The fourth proportional to 12,549,784.50, 18,832,640.13 and 5,361,372.54 is: 8,045,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549,784.50 : 18,832,640.13 = 5,361,372.54 : x
  2. Step 2: Convert to fraction form
    12,549,784.50/18,832,640.13 = 5,361,372.54/x
  3. Step 3: Cross multiply
    12,549,784.50x = 18,832,640.13 × 5,361,372.54
  4. Step 4: Simplify right side
    12,549,784.50x = 100,968,799,648,684.03
  5. Step 5: Solve for x
    x = 100,968,799,648,684.03/12,549,784.50
  6. Step 6: Final answer
    x = 8,045,460.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.