Home / 8,211,855.17-12,319,543.29-2,455,039.37

Finding the Fourth Proportional to 8,211,855.17, 12,319,543.29 and 2,455,039.37

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Solution

The fourth proportional to 8,211,855.17, 12,319,543.29 and 2,455,039.37 is: 3,683,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,855.17 : 12,319,543.29 = 2,455,039.37 : x
  2. Step 2: Convert to fraction form
    8,211,855.17/12,319,543.29 = 2,455,039.37/x
  3. Step 3: Cross multiply
    8,211,855.17x = 12,319,543.29 × 2,455,039.37
  4. Step 4: Simplify right side
    8,211,855.17x = 30,244,963,797,369.33
  5. Step 5: Solve for x
    x = 30,244,963,797,369.33/8,211,855.17
  6. Step 6: Final answer
    x = 3,683,085.39

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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.