Home / 13,375,898.48-20,049,821.76-6,543,039.80

Finding the Fourth Proportional to 13,375,898.48, 20,049,821.76 and 6,543,039.80

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Solution

The fourth proportional to 13,375,898.48, 20,049,821.76 and 6,543,039.80 is: 9,807,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,898.48 : 20,049,821.76 = 6,543,039.80 : x
  2. Step 2: Convert to fraction form
    13,375,898.48/20,049,821.76 = 6,543,039.80/x
  3. Step 3: Cross multiply
    13,375,898.48x = 20,049,821.76 × 6,543,039.80
  4. Step 4: Simplify right side
    13,375,898.48x = 131,186,781,758,586.06
  5. Step 5: Solve for x
    x = 131,186,781,758,586.06/13,375,898.48
  6. Step 6: Final answer
    x = 9,807,698.67

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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.