Home / 7,197,119.62-9,932,292.57-3,934,153.78

Finding the Fourth Proportional to 7,197,119.62, 9,932,292.57 and 3,934,153.78

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Solution

The fourth proportional to 7,197,119.62, 9,932,292.57 and 3,934,153.78 is: 5,429,278.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,119.62 : 9,932,292.57 = 3,934,153.78 : x
  2. Step 2: Convert to fraction form
    7,197,119.62/9,932,292.57 = 3,934,153.78/x
  3. Step 3: Cross multiply
    7,197,119.62x = 9,932,292.57 × 3,934,153.78
  4. Step 4: Simplify right side
    7,197,119.62x = 39,075,166,358,331.41
  5. Step 5: Solve for x
    x = 39,075,166,358,331.41/7,197,119.62
  6. Step 6: Final answer
    x = 5,429,278.44

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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.