Home / 14,766,709.89-20,378,063.34-8,151,302.06

Finding the Fourth Proportional to 14,766,709.89, 20,378,063.34 and 8,151,302.06

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Solution

The fourth proportional to 14,766,709.89, 20,378,063.34 and 8,151,302.06 is: 11,248,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766,709.89 : 20,378,063.34 = 8,151,302.06 : x
  2. Step 2: Convert to fraction form
    14,766,709.89/20,378,063.34 = 8,151,302.06/x
  3. Step 3: Cross multiply
    14,766,709.89x = 20,378,063.34 × 8,151,302.06
  4. Step 4: Simplify right side
    14,766,709.89x = 166,107,749,580,262.16
  5. Step 5: Solve for x
    x = 166,107,749,580,262.16/14,766,709.89
  6. Step 6: Final answer
    x = 11,248,798.87

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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.