Home / 13,248,046.20-19,872,069.30-8,146,212.60

Finding the Fourth Proportional to 13,248,046.20, 19,872,069.30 and 8,146,212.60

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Solution

The fourth proportional to 13,248,046.20, 19,872,069.30 and 8,146,212.60 is: 12,219,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248,046.20 : 19,872,069.30 = 8,146,212.60 : x
  2. Step 2: Convert to fraction form
    13,248,046.20/19,872,069.30 = 8,146,212.60/x
  3. Step 3: Cross multiply
    13,248,046.20x = 19,872,069.30 × 8,146,212.60
  4. Step 4: Simplify right side
    13,248,046.20x = 161,882,101,319,733.19
  5. Step 5: Solve for x
    x = 161,882,101,319,733.19/13,248,046.20
  6. Step 6: Final answer
    x = 12,219,318.90

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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.