Home / 8,168,876.64-12,251,733.84-3,118,986.72

Finding the Fourth Proportional to 8,168,876.64, 12,251,733.84 and 3,118,986.72

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Solution

The fourth proportional to 8,168,876.64, 12,251,733.84 and 3,118,986.72 is: 4,677,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,876.64 : 12,251,733.84 = 3,118,986.72 : x
  2. Step 2: Convert to fraction form
    8,168,876.64/12,251,733.84 = 3,118,986.72/x
  3. Step 3: Cross multiply
    8,168,876.64x = 12,251,733.84 × 3,118,986.72
  4. Step 4: Simplify right side
    8,168,876.64x = 38,212,995,143,934.61
  5. Step 5: Solve for x
    x = 38,212,995,143,934.61/8,168,876.64
  6. Step 6: Final answer
    x = 4,677,876.39

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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.