Home / 14,601,715.65-20,148,129.03-8,405,564.66

Finding the Fourth Proportional to 14,601,715.65, 20,148,129.03 and 8,405,564.66

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Solution

The fourth proportional to 14,601,715.65, 20,148,129.03 and 8,405,564.66 is: 11,598,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601,715.65 : 20,148,129.03 = 8,405,564.66 : x
  2. Step 2: Convert to fraction form
    14,601,715.65/20,148,129.03 = 8,405,564.66/x
  3. Step 3: Cross multiply
    14,601,715.65x = 20,148,129.03 × 8,405,564.66
  4. Step 4: Simplify right side
    14,601,715.65x = 169,356,401,339,688.09
  5. Step 5: Solve for x
    x = 169,356,401,339,688.09/14,601,715.65
  6. Step 6: Final answer
    x = 11,598,390.59

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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.