Home / 12,575,688.25-18,863,508.81-3,940,449.75

Finding the Fourth Proportional to 12,575,688.25, 18,863,508.81 and 3,940,449.75

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Solution

The fourth proportional to 12,575,688.25, 18,863,508.81 and 3,940,449.75 is: 5,910,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,575,688.25 : 18,863,508.81 = 3,940,449.75 : x
  2. Step 2: Convert to fraction form
    12,575,688.25/18,863,508.81 = 3,940,449.75/x
  3. Step 3: Cross multiply
    12,575,688.25x = 18,863,508.81 × 3,940,449.75
  4. Step 4: Simplify right side
    12,575,688.25x = 74,330,708,636,773.39
  5. Step 5: Solve for x
    x = 74,330,708,636,773.39/12,575,688.25
  6. Step 6: Final answer
    x = 5,910,667.25

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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.