Home / 8,199,467.20-12,299,200.80-7,826,219.20

Finding the Fourth Proportional to 8,199,467.20, 12,299,200.80 and 7,826,219.20

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Solution

The fourth proportional to 8,199,467.20, 12,299,200.80 and 7,826,219.20 is: 11,739,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,467.20 : 12,299,200.80 = 7,826,219.20 : x
  2. Step 2: Convert to fraction form
    8,199,467.20/12,299,200.80 = 7,826,219.20/x
  3. Step 3: Cross multiply
    8,199,467.20x = 12,299,200.80 × 7,826,219.20
  4. Step 4: Simplify right side
    8,199,467.20x = 96,256,241,445,615.38
  5. Step 5: Solve for x
    x = 96,256,241,445,615.38/8,199,467.20
  6. Step 6: Final answer
    x = 11,739,328.80

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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.