Home / 12,386,362.44-18,579,545.18-3,867,428.52

Finding the Fourth Proportional to 12,386,362.44, 18,579,545.18 and 3,867,428.52

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Solution

The fourth proportional to 12,386,362.44, 18,579,545.18 and 3,867,428.52 is: 5,801,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386,362.44 : 18,579,545.18 = 3,867,428.52 : x
  2. Step 2: Convert to fraction form
    12,386,362.44/18,579,545.18 = 3,867,428.52/x
  3. Step 3: Cross multiply
    12,386,362.44x = 18,579,545.18 × 3,867,428.52
  4. Step 4: Simplify right side
    12,386,362.44x = 71,855,062,917,760.53
  5. Step 5: Solve for x
    x = 71,855,062,917,760.53/12,386,362.44
  6. Step 6: Final answer
    x = 5,801,143.25

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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.