Home / 6,919,243.11-10,379,855.21-2,127,334.77

Finding the Fourth Proportional to 6,919,243.11, 10,379,855.21 and 2,127,334.77

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Solution

The fourth proportional to 6,919,243.11, 10,379,855.21 and 2,127,334.77 is: 3,191,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919,243.11 : 10,379,855.21 = 2,127,334.77 : x
  2. Step 2: Convert to fraction form
    6,919,243.11/10,379,855.21 = 2,127,334.77/x
  3. Step 3: Cross multiply
    6,919,243.11x = 10,379,855.21 × 2,127,334.77
  4. Step 4: Simplify right side
    6,919,243.11x = 22,081,426,885,161.98
  5. Step 5: Solve for x
    x = 22,081,426,885,161.98/6,919,243.11
  6. Step 6: Final answer
    x = 3,191,306.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.