Home / 13,626,753.44-18,804,938.42-7,431,815.12

Finding the Fourth Proportional to 13,626,753.44, 18,804,938.42 and 7,431,815.12

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Solution

The fourth proportional to 13,626,753.44, 18,804,938.42 and 7,431,815.12 is: 10,255,915.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,753.44 : 18,804,938.42 = 7,431,815.12 : x
  2. Step 2: Convert to fraction form
    13,626,753.44/18,804,938.42 = 7,431,815.12/x
  3. Step 3: Cross multiply
    13,626,753.44x = 18,804,938.42 × 7,431,815.12
  4. Step 4: Simplify right side
    13,626,753.44x = 139,754,825,680,424.92
  5. Step 5: Solve for x
    x = 139,754,825,680,424.92/13,626,753.44
  6. Step 6: Final answer
    x = 10,255,915.05

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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.