Home / 12,979,198.17-19,455,068.30-4,888,673.13

Finding the Fourth Proportional to 12,979,198.17, 19,455,068.30 and 4,888,673.13

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Solution

The fourth proportional to 12,979,198.17, 19,455,068.30 and 4,888,673.13 is: 7,327,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,198.17 : 19,455,068.30 = 4,888,673.13 : x
  2. Step 2: Convert to fraction form
    12,979,198.17/19,455,068.30 = 4,888,673.13/x
  3. Step 3: Cross multiply
    12,979,198.17x = 19,455,068.30 × 4,888,673.13
  4. Step 4: Simplify right side
    12,979,198.17x = 95,109,469,616,081.42
  5. Step 5: Solve for x
    x = 95,109,469,616,081.42/12,979,198.17
  6. Step 6: Final answer
    x = 7,327,838.62

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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.