Home / 9,954,436.15-13,729,787.09-7,507,150.21

Finding the Fourth Proportional to 9,954,436.15, 13,729,787.09 and 7,507,150.21

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Solution

The fourth proportional to 9,954,436.15, 13,729,787.09 and 7,507,150.21 is: 10,354,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954,436.15 : 13,729,787.09 = 7,507,150.21 : x
  2. Step 2: Convert to fraction form
    9,954,436.15/13,729,787.09 = 7,507,150.21/x
  3. Step 3: Cross multiply
    9,954,436.15x = 13,729,787.09 × 7,507,150.21
  4. Step 4: Simplify right side
    9,954,436.15x = 103,071,573,998,413.05
  5. Step 5: Solve for x
    x = 103,071,573,998,413.05/9,954,436.15
  6. Step 6: Final answer
    x = 10,354,335.74

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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.