Home / 8,143,938.23-12,213,194.72-3,284,989.81

Finding the Fourth Proportional to 8,143,938.23, 12,213,194.72 and 3,284,989.81

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Solution

The fourth proportional to 8,143,938.23, 12,213,194.72 and 3,284,989.81 is: 4,926,390.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143,938.23 : 12,213,194.72 = 3,284,989.81 : x
  2. Step 2: Convert to fraction form
    8,143,938.23/12,213,194.72 = 3,284,989.81/x
  3. Step 3: Cross multiply
    8,143,938.23x = 12,213,194.72 × 3,284,989.81
  4. Step 4: Simplify right side
    8,143,938.23x = 40,120,220,155,787.87
  5. Step 5: Solve for x
    x = 40,120,220,155,787.87/8,143,938.23
  6. Step 6: Final answer
    x = 4,926,390.53

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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.