Home / 12,230,012.91-16,876,414.62-7,199,964.03

Finding the Fourth Proportional to 12,230,012.91, 16,876,414.62 and 7,199,964.03

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Solution

The fourth proportional to 12,230,012.91, 16,876,414.62 and 7,199,964.03 is: 9,935,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,012.91 : 16,876,414.62 = 7,199,964.03 : x
  2. Step 2: Convert to fraction form
    12,230,012.91/16,876,414.62 = 7,199,964.03/x
  3. Step 3: Cross multiply
    12,230,012.91x = 16,876,414.62 × 7,199,964.03
  4. Step 4: Simplify right side
    12,230,012.91x = 121,509,578,219,366.12
  5. Step 5: Solve for x
    x = 121,509,578,219,366.12/12,230,012.91
  6. Step 6: Final answer
    x = 9,935,359.77

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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.