Home / 8,172,965.80-12,262,073.10-3,622,256.20

Finding the Fourth Proportional to 8,172,965.80, 12,262,073.10 and 3,622,256.20

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Solution

The fourth proportional to 8,172,965.80, 12,262,073.10 and 3,622,256.20 is: 5,434,547.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,965.80 : 12,262,073.10 = 3,622,256.20 : x
  2. Step 2: Convert to fraction form
    8,172,965.80/12,262,073.10 = 3,622,256.20/x
  3. Step 3: Cross multiply
    8,172,965.80x = 12,262,073.10 × 3,622,256.20
  4. Step 4: Simplify right side
    8,172,965.80x = 44,416,370,311,328.22
  5. Step 5: Solve for x
    x = 44,416,370,311,328.22/8,172,965.80
  6. Step 6: Final answer
    x = 5,434,547.43

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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.