Home / 8,424,286.86-12,636,429.89-2,359,916.49

Finding the Fourth Proportional to 8,424,286.86, 12,636,429.89 and 2,359,916.49

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Solution

The fourth proportional to 8,424,286.86, 12,636,429.89 and 2,359,916.49 is: 3,539,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424,286.86 : 12,636,429.89 = 2,359,916.49 : x
  2. Step 2: Convert to fraction form
    8,424,286.86/12,636,429.89 = 2,359,916.49/x
  3. Step 3: Cross multiply
    8,424,286.86x = 12,636,429.89 × 2,359,916.49
  4. Step 4: Simplify right side
    8,424,286.86x = 29,820,919,260,340.30
  5. Step 5: Solve for x
    x = 29,820,919,260,340.30/8,424,286.86
  6. Step 6: Final answer
    x = 3,539,874.62

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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.