Home / 12,979,035.52-19,469,005.92-4,459,310.08

Finding the Fourth Proportional to 12,979,035.52, 19,469,005.92 and 4,459,310.08

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Solution

The fourth proportional to 12,979,035.52, 19,469,005.92 and 4,459,310.08 is: 6,689,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,035.52 : 19,469,005.92 = 4,459,310.08 : x
  2. Step 2: Convert to fraction form
    12,979,035.52/19,469,005.92 = 4,459,310.08/x
  3. Step 3: Cross multiply
    12,979,035.52x = 19,469,005.92 × 4,459,310.08
  4. Step 4: Simplify right side
    12,979,035.52x = 86,818,334,346,635.69
  5. Step 5: Solve for x
    x = 86,818,334,346,635.69/12,979,035.52
  6. Step 6: Final answer
    x = 6,689,120.64

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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.