Home / 8,085,322.80-12,129,733.80-2,406,121.20

Finding the Fourth Proportional to 8,085,322.80, 12,129,733.80 and 2,406,121.20

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Solution

The fourth proportional to 8,085,322.80, 12,129,733.80 and 2,406,121.20 is: 3,609,702.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,322.80 : 12,129,733.80 = 2,406,121.20 : x
  2. Step 2: Convert to fraction form
    8,085,322.80/12,129,733.80 = 2,406,121.20/x
  3. Step 3: Cross multiply
    8,085,322.80x = 12,129,733.80 × 2,406,121.20
  4. Step 4: Simplify right side
    8,085,322.80x = 29,185,609,646,536.56
  5. Step 5: Solve for x
    x = 29,185,609,646,536.56/8,085,322.80
  6. Step 6: Final answer
    x = 3,609,702.47

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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.