Home / 7,197,362.87-9,932,360.04-3,934,190.70

Finding the Fourth Proportional to 7,197,362.87, 9,932,360.04 and 3,934,190.70

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Solution

The fourth proportional to 7,197,362.87, 9,932,360.04 and 3,934,190.70 is: 5,429,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,362.87 : 9,932,360.04 = 3,934,190.70 : x
  2. Step 2: Convert to fraction form
    7,197,362.87/9,932,360.04 = 3,934,190.70/x
  3. Step 3: Cross multiply
    7,197,362.87x = 9,932,360.04 × 3,934,190.70
  4. Step 4: Simplify right side
    7,197,362.87x = 39,075,798,498,419.62
  5. Step 5: Solve for x
    x = 39,075,798,498,419.62/7,197,362.87
  6. Step 6: Final answer
    x = 5,429,182.78

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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.