Home / 12,948,640.80-19,430,737.20-5,374,816.80

Finding the Fourth Proportional to 12,948,640.80, 19,430,737.20 and 5,374,816.80

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Solution

The fourth proportional to 12,948,640.80, 19,430,737.20 and 5,374,816.80 is: 8,065,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948,640.80 : 19,430,737.20 = 5,374,816.80 : x
  2. Step 2: Convert to fraction form
    12,948,640.80/19,430,737.20 = 5,374,816.80/x
  3. Step 3: Cross multiply
    12,948,640.80x = 19,430,737.20 × 5,374,816.80
  4. Step 4: Simplify right side
    12,948,640.80x = 104,436,652,738,944.95
  5. Step 5: Solve for x
    x = 104,436,652,738,944.95/12,948,640.80
  6. Step 6: Final answer
    x = 8,065,452.92

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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.