Home / 8,197,821.20-12,296,731.80-6,603,498.20

Finding the Fourth Proportional to 8,197,821.20, 12,296,731.80 and 6,603,498.20

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Solution

The fourth proportional to 8,197,821.20, 12,296,731.80 and 6,603,498.20 is: 9,905,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,821.20 : 12,296,731.80 = 6,603,498.20 : x
  2. Step 2: Convert to fraction form
    8,197,821.20/12,296,731.80 = 6,603,498.20/x
  3. Step 3: Cross multiply
    8,197,821.20x = 12,296,731.80 × 6,603,498.20
  4. Step 4: Simplify right side
    8,197,821.20x = 81,201,446,307,182.77
  5. Step 5: Solve for x
    x = 81,201,446,307,182.77/8,197,821.20
  6. Step 6: Final answer
    x = 9,905,247.30

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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.