Home / 7,520,161.74-10,377,949.40-4,082,402.77

Finding the Fourth Proportional to 7,520,161.74, 10,377,949.40 and 4,082,402.77

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Solution

The fourth proportional to 7,520,161.74, 10,377,949.40 and 4,082,402.77 is: 5,633,784.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,161.74 : 10,377,949.40 = 4,082,402.77 : x
  2. Step 2: Convert to fraction form
    7,520,161.74/10,377,949.40 = 4,082,402.77/x
  3. Step 3: Cross multiply
    7,520,161.74x = 10,377,949.40 × 4,082,402.77
  4. Step 4: Simplify right side
    7,520,161.74x = 42,366,969,325,590.09
  5. Step 5: Solve for x
    x = 42,366,969,325,590.09/7,520,161.74
  6. Step 6: Final answer
    x = 5,633,784.33

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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.