Home / 14,618,176.41-20,172,838.61-8,091,665.40

Finding the Fourth Proportional to 14,618,176.41, 20,172,838.61 and 8,091,665.40

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Solution

The fourth proportional to 14,618,176.41, 20,172,838.61 and 8,091,665.40 is: 11,166,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618,176.41 : 20,172,838.61 = 8,091,665.40 : x
  2. Step 2: Convert to fraction form
    14,618,176.41/20,172,838.61 = 8,091,665.40/x
  3. Step 3: Cross multiply
    14,618,176.41x = 20,172,838.61 × 8,091,665.40
  4. Step 4: Simplify right side
    14,618,176.41x = 163,231,860,200,321.09
  5. Step 5: Solve for x
    x = 163,231,860,200,321.09/14,618,176.41
  6. Step 6: Final answer
    x = 11,166,362.73

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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.