Home / 21,281,611.67-31,926,900.90-6,903,556.82

Finding the Fourth Proportional to 21,281,611.67, 31,926,900.90 and 6,903,556.82

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Solution

The fourth proportional to 21,281,611.67, 31,926,900.90 and 6,903,556.82 is: 10,356,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,281,611.67 : 31,926,900.90 = 6,903,556.82 : x
  2. Step 2: Convert to fraction form
    21,281,611.67/31,926,900.90 = 6,903,556.82/x
  3. Step 3: Cross multiply
    21,281,611.67x = 31,926,900.90 × 6,903,556.82
  4. Step 4: Simplify right side
    21,281,611.67x = 220,409,174,449,659.12
  5. Step 5: Solve for x
    x = 220,409,174,449,659.12/21,281,611.67
  6. Step 6: Final answer
    x = 10,356,789.60

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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.