Home / 28,838,487.46-39,797,125.14-15,785,820.82

Finding the Fourth Proportional to 28,838,487.46, 39,797,125.14 and 15,785,820.82

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Solution

The fourth proportional to 28,838,487.46, 39,797,125.14 and 15,785,820.82 is: 21,784,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838,487.46 : 39,797,125.14 = 15,785,820.82 : x
  2. Step 2: Convert to fraction form
    28,838,487.46/39,797,125.14 = 15,785,820.82/x
  3. Step 3: Cross multiply
    28,838,487.46x = 39,797,125.14 × 15,785,820.82
  4. Step 4: Simplify right side
    28,838,487.46x = 628,230,286,611,157.38
  5. Step 5: Solve for x
    x = 628,230,286,611,157.38/28,838,487.46
  6. Step 6: Final answer
    x = 21,784,439.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.