Home / 8,161,938.20-12,243,368.10-2,482,347.80

Finding the Fourth Proportional to 8,161,938.20, 12,243,368.10 and 2,482,347.80

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Solution

The fourth proportional to 8,161,938.20, 12,243,368.10 and 2,482,347.80 is: 3,723,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,938.20 : 12,243,368.10 = 2,482,347.80 : x
  2. Step 2: Convert to fraction form
    8,161,938.20/12,243,368.10 = 2,482,347.80/x
  3. Step 3: Cross multiply
    8,161,938.20x = 12,243,368.10 × 2,482,347.80
  4. Step 4: Simplify right side
    8,161,938.20x = 30,392,297,867,625.18
  5. Step 5: Solve for x
    x = 30,392,297,867,625.18/8,161,938.20
  6. Step 6: Final answer
    x = 3,723,661.85

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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.