Home / 19,188,052.30-28,778,925.79-6,889,469.68

Finding the Fourth Proportional to 19,188,052.30, 28,778,925.79 and 6,889,469.68

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Solution

The fourth proportional to 19,188,052.30, 28,778,925.79 and 6,889,469.68 is: 10,333,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188,052.30 : 28,778,925.79 = 6,889,469.68 : x
  2. Step 2: Convert to fraction form
    19,188,052.30/28,778,925.79 = 6,889,469.68/x
  3. Step 3: Cross multiply
    19,188,052.30x = 28,778,925.79 × 6,889,469.68
  4. Step 4: Simplify right side
    19,188,052.30x = 198,271,536,653,175.03
  5. Step 5: Solve for x
    x = 198,271,536,653,175.03/19,188,052.30
  6. Step 6: Final answer
    x = 10,333,072.56

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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.