Home / 10,789,619.80-16,184,429.70-2,811,443.80

Finding the Fourth Proportional to 10,789,619.80, 16,184,429.70 and 2,811,443.80

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Solution

The fourth proportional to 10,789,619.80, 16,184,429.70 and 2,811,443.80 is: 4,217,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789,619.80 : 16,184,429.70 = 2,811,443.80 : x
  2. Step 2: Convert to fraction form
    10,789,619.80/16,184,429.70 = 2,811,443.80/x
  3. Step 3: Cross multiply
    10,789,619.80x = 16,184,429.70 × 2,811,443.80
  4. Step 4: Simplify right side
    10,789,619.80x = 45,501,614,536,600.85
  5. Step 5: Solve for x
    x = 45,501,614,536,600.85/10,789,619.80
  6. Step 6: Final answer
    x = 4,217,165.70

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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.