Home / 13,353,916.73-18,422,554.11-7,844,806.32

Finding the Fourth Proportional to 13,353,916.73, 18,422,554.11 and 7,844,806.32

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Solution

The fourth proportional to 13,353,916.73, 18,422,554.11 and 7,844,806.32 is: 10,822,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,916.73 : 18,422,554.11 = 7,844,806.32 : x
  2. Step 2: Convert to fraction form
    13,353,916.73/18,422,554.11 = 7,844,806.32/x
  3. Step 3: Cross multiply
    13,353,916.73x = 18,422,554.11 × 7,844,806.32
  4. Step 4: Simplify right side
    13,353,916.73x = 144,521,368,912,669.97
  5. Step 5: Solve for x
    x = 144,521,368,912,669.97/13,353,916.73
  6. Step 6: Final answer
    x = 10,822,395.54

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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.