Home / 7,318,118.75-10,098,993.87-4,055,144.72

Finding the Fourth Proportional to 7,318,118.75, 10,098,993.87 and 4,055,144.72

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Solution

The fourth proportional to 7,318,118.75, 10,098,993.87 and 4,055,144.72 is: 5,596,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,118.75 : 10,098,993.87 = 4,055,144.72 : x
  2. Step 2: Convert to fraction form
    7,318,118.75/10,098,993.87 = 4,055,144.72/x
  3. Step 3: Cross multiply
    7,318,118.75x = 10,098,993.87 × 4,055,144.72
  4. Step 4: Simplify right side
    7,318,118.75x = 40,952,881,618,747.89
  5. Step 5: Solve for x
    x = 40,952,881,618,747.89/7,318,118.75
  6. Step 6: Final answer
    x = 5,596,094.17

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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.