Home / 20,672,611.84-31,006,551.69-5,527,724.32

Finding the Fourth Proportional to 20,672,611.84, 31,006,551.69 and 5,527,724.32

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Solution

The fourth proportional to 20,672,611.84, 31,006,551.69 and 5,527,724.32 is: 8,290,953.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,611.84 : 31,006,551.69 = 5,527,724.32 : x
  2. Step 2: Convert to fraction form
    20,672,611.84/31,006,551.69 = 5,527,724.32/x
  3. Step 3: Cross multiply
    20,672,611.84x = 31,006,551.69 × 5,527,724.32
  4. Step 4: Simplify right side
    20,672,611.84x = 171,395,669,856,150.12
  5. Step 5: Solve for x
    x = 171,395,669,856,150.12/20,672,611.84
  6. Step 6: Final answer
    x = 8,290,953.81

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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.