Home / 7,131,535.20-9,842,190.48-4,075,155.36

Finding the Fourth Proportional to 7,131,535.20, 9,842,190.48 and 4,075,155.36

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Solution

The fourth proportional to 7,131,535.20, 9,842,190.48 and 4,075,155.36 is: 5,624,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,535.20 : 9,842,190.48 = 4,075,155.36 : x
  2. Step 2: Convert to fraction form
    7,131,535.20/9,842,190.48 = 4,075,155.36/x
  3. Step 3: Cross multiply
    7,131,535.20x = 9,842,190.48 × 4,075,155.36
  4. Step 4: Simplify right side
    7,131,535.20x = 40,108,455,288,712.98
  5. Step 5: Solve for x
    x = 40,108,455,288,712.98/7,131,535.20
  6. Step 6: Final answer
    x = 5,624,098.34

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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.