Home / 9,219,438.64-12,722,491.84-5,089,381.12

Finding the Fourth Proportional to 9,219,438.64, 12,722,491.84 and 5,089,381.12

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Solution

The fourth proportional to 9,219,438.64, 12,722,491.84 and 5,089,381.12 is: 7,023,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,438.64 : 12,722,491.84 = 5,089,381.12 : x
  2. Step 2: Convert to fraction form
    9,219,438.64/12,722,491.84 = 5,089,381.12/x
  3. Step 3: Cross multiply
    9,219,438.64x = 12,722,491.84 × 5,089,381.12
  4. Step 4: Simplify right side
    9,219,438.64x = 64,749,609,769,850.06
  5. Step 5: Solve for x
    x = 64,749,609,769,850.06/9,219,438.64
  6. Step 6: Final answer
    x = 7,023,161.85

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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.