Home / 5,289,185.10-7,950,690.45-4,914,770.70

Finding the Fourth Proportional to 5,289,185.10, 7,950,690.45 and 4,914,770.70

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Solution

The fourth proportional to 5,289,185.10, 7,950,690.45 and 4,914,770.70 is: 7,387,871.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289,185.10 : 7,950,690.45 = 4,914,770.70 : x
  2. Step 2: Convert to fraction form
    5,289,185.10/7,950,690.45 = 4,914,770.70/x
  3. Step 3: Cross multiply
    5,289,185.10x = 7,950,690.45 × 4,914,770.70
  4. Step 4: Simplify right side
    5,289,185.10x = 39,075,820,468,429.82
  5. Step 5: Solve for x
    x = 39,075,820,468,429.82/5,289,185.10
  6. Step 6: Final answer
    x = 7,387,871.62

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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.