Home / 13,743,716.02-18,968,001.06-7,942,545.16

Finding the Fourth Proportional to 13,743,716.02, 18,968,001.06 and 7,942,545.16

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Solution

The fourth proportional to 13,743,716.02, 18,968,001.06 and 7,942,545.16 is: 10,961,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743,716.02 : 18,968,001.06 = 7,942,545.16 : x
  2. Step 2: Convert to fraction form
    13,743,716.02/18,968,001.06 = 7,942,545.16/x
  3. Step 3: Cross multiply
    13,743,716.02x = 18,968,001.06 × 7,942,545.16
  4. Step 4: Simplify right side
    13,743,716.02x = 150,654,205,013,977.88
  5. Step 5: Solve for x
    x = 150,654,205,013,977.88/13,743,716.02
  6. Step 6: Final answer
    x = 10,961,679.13

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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.