Home / 7,116,270.80-9,820,408.82-3,853,075.43

Finding the Fourth Proportional to 7,116,270.80, 9,820,408.82 and 3,853,075.43

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Solution

The fourth proportional to 7,116,270.80, 9,820,408.82 and 3,853,075.43 is: 5,317,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116,270.80 : 9,820,408.82 = 3,853,075.43 : x
  2. Step 2: Convert to fraction form
    7,116,270.80/9,820,408.82 = 3,853,075.43/x
  3. Step 3: Cross multiply
    7,116,270.80x = 9,820,408.82 × 3,853,075.43
  4. Step 4: Simplify right side
    7,116,270.80x = 37,838,775,942,182.94
  5. Step 5: Solve for x
    x = 37,838,775,942,182.94/7,116,270.80
  6. Step 6: Final answer
    x = 5,317,219.80

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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.