Home / 7,070,048.79-9,757,499.67-3,972,578.82

Finding the Fourth Proportional to 7,070,048.79, 9,757,499.67 and 3,972,578.82

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Solution

The fourth proportional to 7,070,048.79, 9,757,499.67 and 3,972,578.82 is: 5,482,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,048.79 : 9,757,499.67 = 3,972,578.82 : x
  2. Step 2: Convert to fraction form
    7,070,048.79/9,757,499.67 = 3,972,578.82/x
  3. Step 3: Cross multiply
    7,070,048.79x = 9,757,499.67 × 3,972,578.82
  4. Step 4: Simplify right side
    7,070,048.79x = 38,762,436,525,198.98
  5. Step 5: Solve for x
    x = 38,762,436,525,198.98/7,070,048.79
  6. Step 6: Final answer
    x = 5,482,626.45

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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.