Home / 12,833,685.78-19,250,322.12-3,118,375.68

Finding the Fourth Proportional to 12,833,685.78, 19,250,322.12 and 3,118,375.68

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Solution

The fourth proportional to 12,833,685.78, 19,250,322.12 and 3,118,375.68 is: 4,677,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,833,685.78 : 19,250,322.12 = 3,118,375.68 : x
  2. Step 2: Convert to fraction form
    12,833,685.78/19,250,322.12 = 3,118,375.68/x
  3. Step 3: Cross multiply
    12,833,685.78x = 19,250,322.12 × 3,118,375.68
  4. Step 4: Simplify right side
    12,833,685.78x = 60,029,736,331,174.05
  5. Step 5: Solve for x
    x = 60,029,736,331,174.05/12,833,685.78
  6. Step 6: Final answer
    x = 4,677,513.33

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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.