Home / 7,082,435.80-10,607,907.30-5,479,802.20

Finding the Fourth Proportional to 7,082,435.80, 10,607,907.30 and 5,479,802.20

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Solution

The fourth proportional to 7,082,435.80, 10,607,907.30 and 5,479,802.20 is: 8,207,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082,435.80 : 10,607,907.30 = 5,479,802.20 : x
  2. Step 2: Convert to fraction form
    7,082,435.80/10,607,907.30 = 5,479,802.20/x
  3. Step 3: Cross multiply
    7,082,435.80x = 10,607,907.30 × 5,479,802.20
  4. Step 4: Simplify right side
    7,082,435.80x = 58,129,233,759,936.06
  5. Step 5: Solve for x
    x = 58,129,233,759,936.06/7,082,435.80
  6. Step 6: Final answer
    x = 8,207,520.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.