Home / 11,579,670.06-15,981,861.26-6,424,692.36

Finding the Fourth Proportional to 11,579,670.06, 15,981,861.26 and 6,424,692.36

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Solution

The fourth proportional to 11,579,670.06, 15,981,861.26 and 6,424,692.36 is: 8,867,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579,670.06 : 15,981,861.26 = 6,424,692.36 : x
  2. Step 2: Convert to fraction form
    11,579,670.06/15,981,861.26 = 6,424,692.36/x
  3. Step 3: Cross multiply
    11,579,670.06x = 15,981,861.26 × 6,424,692.36
  4. Step 4: Simplify right side
    11,579,670.06x = 102,678,541,935,701.98
  5. Step 5: Solve for x
    x = 102,678,541,935,701.98/11,579,670.06
  6. Step 6: Final answer
    x = 8,867,138.82

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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.