Home / 7,135,908.88-9,847,560.72-3,872,724.16

Finding the Fourth Proportional to 7,135,908.88, 9,847,560.72 and 3,872,724.16

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Solution

The fourth proportional to 7,135,908.88, 9,847,560.72 and 3,872,724.16 is: 5,344,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,908.88 : 9,847,560.72 = 3,872,724.16 : x
  2. Step 2: Convert to fraction form
    7,135,908.88/9,847,560.72 = 3,872,724.16/x
  3. Step 3: Cross multiply
    7,135,908.88x = 9,847,560.72 × 3,872,724.16
  4. Step 4: Simplify right side
    7,135,908.88x = 38,136,886,317,411
  5. Step 5: Solve for x
    x = 38,136,886,317,411/7,135,908.88
  6. Step 6: Final answer
    x = 5,344,362.85

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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.