Home / 7,144,075.62-9,858,892.59-3,880,914.89

Finding the Fourth Proportional to 7,144,075.62, 9,858,892.59 and 3,880,914.89

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Solution

The fourth proportional to 7,144,075.62, 9,858,892.59 and 3,880,914.89 is: 5,355,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144,075.62 : 9,858,892.59 = 3,880,914.89 : x
  2. Step 2: Convert to fraction form
    7,144,075.62/9,858,892.59 = 3,880,914.89/x
  3. Step 3: Cross multiply
    7,144,075.62x = 9,858,892.59 × 3,880,914.89
  4. Step 4: Simplify right side
    7,144,075.62x = 38,261,523,002,147.20
  5. Step 5: Solve for x
    x = 38,261,523,002,147.20/7,144,075.62
  6. Step 6: Final answer
    x = 5,355,699.61

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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.