Home / 7,737,780.05-11,611,889.49-3,188,728.01

Finding the Fourth Proportional to 7,737,780.05, 11,611,889.49 and 3,188,728.01

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Solution

The fourth proportional to 7,737,780.05, 11,611,889.49 and 3,188,728.01 is: 4,785,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737,780.05 : 11,611,889.49 = 3,188,728.01 : x
  2. Step 2: Convert to fraction form
    7,737,780.05/11,611,889.49 = 3,188,728.01/x
  3. Step 3: Cross multiply
    7,737,780.05x = 11,611,889.49 × 3,188,728.01
  4. Step 4: Simplify right side
    7,737,780.05x = 37,027,157,279,871.77
  5. Step 5: Solve for x
    x = 37,027,157,279,871.77/7,737,780.05
  6. Step 6: Final answer
    x = 4,785,242.93

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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.