Home / 8,213,488.94-12,319,292.14-2,148,805.91

Finding the Fourth Proportional to 8,213,488.94, 12,319,292.14 and 2,148,805.91

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Solution

The fourth proportional to 8,213,488.94, 12,319,292.14 and 2,148,805.91 is: 3,222,962.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213,488.94 : 12,319,292.14 = 2,148,805.91 : x
  2. Step 2: Convert to fraction form
    8,213,488.94/12,319,292.14 = 2,148,805.91/x
  3. Step 3: Cross multiply
    8,213,488.94x = 12,319,292.14 × 2,148,805.91
  4. Step 4: Simplify right side
    8,213,488.94x = 26,471,767,782,874.76
  5. Step 5: Solve for x
    x = 26,471,767,782,874.76/8,213,488.94
  6. Step 6: Final answer
    x = 3,222,962.61

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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.