Home / 20,886,709.68-31,324,748.76-6,507,097.20

Finding the Fourth Proportional to 20,886,709.68, 31,324,748.76 and 6,507,097.20

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Solution

The fourth proportional to 20,886,709.68, 31,324,748.76 and 6,507,097.20 is: 9,758,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886,709.68 : 31,324,748.76 = 6,507,097.20 : x
  2. Step 2: Convert to fraction form
    20,886,709.68/31,324,748.76 = 6,507,097.20/x
  3. Step 3: Cross multiply
    20,886,709.68x = 31,324,748.76 × 6,507,097.20
  4. Step 4: Simplify right side
    20,886,709.68x = 203,833,184,946,899.50
  5. Step 5: Solve for x
    x = 203,833,184,946,899.50/20,886,709.68
  6. Step 6: Final answer
    x = 9,758,989.71

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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.