Home / 11,909,071.12-17,861,464.50-3,155,408.68

Finding the Fourth Proportional to 11,909,071.12, 17,861,464.50 and 3,155,408.68

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Solution

The fourth proportional to 11,909,071.12, 17,861,464.50 and 3,155,408.68 is: 4,732,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,071.12 : 17,861,464.50 = 3,155,408.68 : x
  2. Step 2: Convert to fraction form
    11,909,071.12/17,861,464.50 = 3,155,408.68/x
  3. Step 3: Cross multiply
    11,909,071.12x = 17,861,464.50 × 3,155,408.68
  4. Step 4: Simplify right side
    11,909,071.12x = 56,360,220,120,811.86
  5. Step 5: Solve for x
    x = 56,360,220,120,811.86/11,909,071.12
  6. Step 6: Final answer
    x = 4,732,545.43

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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.