Home / 12,104,012.49-18,146,124.66-5,631,122.77

Finding the Fourth Proportional to 12,104,012.49, 18,146,124.66 and 5,631,122.77

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Solution

The fourth proportional to 12,104,012.49, 18,146,124.66 and 5,631,122.77 is: 8,442,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,012.49 : 18,146,124.66 = 5,631,122.77 : x
  2. Step 2: Convert to fraction form
    12,104,012.49/18,146,124.66 = 5,631,122.77/x
  3. Step 3: Cross multiply
    12,104,012.49x = 18,146,124.66 × 5,631,122.77
  4. Step 4: Simplify right side
    12,104,012.49x = 102,183,055,735,935.91
  5. Step 5: Solve for x
    x = 102,183,055,735,935.91/12,104,012.49
  6. Step 6: Final answer
    x = 8,442,081.16

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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.