Home / 8,157,913.80-12,236,870.70-3,906,385.80

Finding the Fourth Proportional to 8,157,913.80, 12,236,870.70 and 3,906,385.80

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Solution

The fourth proportional to 8,157,913.80, 12,236,870.70 and 3,906,385.80 is: 5,859,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,913.80 : 12,236,870.70 = 3,906,385.80 : x
  2. Step 2: Convert to fraction form
    8,157,913.80/12,236,870.70 = 3,906,385.80/x
  3. Step 3: Cross multiply
    8,157,913.80x = 12,236,870.70 × 3,906,385.80
  4. Step 4: Simplify right side
    8,157,913.80x = 47,801,937,938,916.05
  5. Step 5: Solve for x
    x = 47,801,937,938,916.05/8,157,913.80
  6. Step 6: Final answer
    x = 5,859,578.70

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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.