Home / 8,211,447.36-12,316,003.20-2,820,009.60

Finding the Fourth Proportional to 8,211,447.36, 12,316,003.20 and 2,820,009.60

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Solution

The fourth proportional to 8,211,447.36, 12,316,003.20 and 2,820,009.60 is: 4,229,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,447.36 : 12,316,003.20 = 2,820,009.60 : x
  2. Step 2: Convert to fraction form
    8,211,447.36/12,316,003.20 = 2,820,009.60/x
  3. Step 3: Cross multiply
    8,211,447.36x = 12,316,003.20 × 2,820,009.60
  4. Step 4: Simplify right side
    8,211,447.36x = 34,731,247,257,630.72
  5. Step 5: Solve for x
    x = 34,731,247,257,630.72/8,211,447.36
  6. Step 6: Final answer
    x = 4,229,613.34

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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.