Home / 7,687,288.80-11,521,256.40-3,901,816.80

Finding the Fourth Proportional to 7,687,288.80, 11,521,256.40 and 3,901,816.80

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Solution

The fourth proportional to 7,687,288.80, 11,521,256.40 and 3,901,816.80 is: 5,847,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,288.80 : 11,521,256.40 = 3,901,816.80 : x
  2. Step 2: Convert to fraction form
    7,687,288.80/11,521,256.40 = 3,901,816.80/x
  3. Step 3: Cross multiply
    7,687,288.80x = 11,521,256.40 × 3,901,816.80
  4. Step 4: Simplify right side
    7,687,288.80x = 44,953,831,778,627.52
  5. Step 5: Solve for x
    x = 44,953,831,778,627.52/7,687,288.80
  6. Step 6: Final answer
    x = 5,847,813.57

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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.