Home / 12,976,086.62-17,906,230.14-7,174,413.02

Finding the Fourth Proportional to 12,976,086.62, 17,906,230.14 and 7,174,413.02

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Solution

The fourth proportional to 12,976,086.62, 17,906,230.14 and 7,174,413.02 is: 9,900,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976,086.62 : 17,906,230.14 = 7,174,413.02 : x
  2. Step 2: Convert to fraction form
    12,976,086.62/17,906,230.14 = 7,174,413.02/x
  3. Step 3: Cross multiply
    12,976,086.62x = 17,906,230.14 × 7,174,413.02
  4. Step 4: Simplify right side
    12,976,086.62x = 128,466,690,655,532.42
  5. Step 5: Solve for x
    x = 128,466,690,655,532.42/12,976,086.62
  6. Step 6: Final answer
    x = 9,900,264.57

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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.