Home / 16,319,115.72-22,520,799.90-8,977,137.48

Finding the Fourth Proportional to 16,319,115.72, 22,520,799.90 and 8,977,137.48

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Solution

The fourth proportional to 16,319,115.72, 22,520,799.90 and 8,977,137.48 is: 12,388,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,319,115.72 : 22,520,799.90 = 8,977,137.48 : x
  2. Step 2: Convert to fraction form
    16,319,115.72/22,520,799.90 = 8,977,137.48/x
  3. Step 3: Cross multiply
    16,319,115.72x = 22,520,799.90 × 8,977,137.48
  4. Step 4: Simplify right side
    16,319,115.72x = 202,172,316,861,870.25
  5. Step 5: Solve for x
    x = 202,172,316,861,870.25/16,319,115.72
  6. Step 6: Final answer
    x = 12,388,680.88

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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.