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Finding the Fourth Proportional to 18,395,404.76, 27,597,380.88 and 6,264,973.64

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Solution

The fourth proportional to 18,395,404.76, 27,597,380.88 and 6,264,973.64 is: 9,398,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395,404.76 : 27,597,380.88 = 6,264,973.64 : x
  2. Step 2: Convert to fraction form
    18,395,404.76/27,597,380.88 = 6,264,973.64/x
  3. Step 3: Cross multiply
    18,395,404.76x = 27,597,380.88 × 6,264,973.64
  4. Step 4: Simplify right side
    18,395,404.76x = 172,896,863,746,240
  5. Step 5: Solve for x
    x = 172,896,863,746,240/18,395,404.76
  6. Step 6: Final answer
    x = 9,398,915.98

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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.