Home / 13,479,880.60-20,219,820.90-5,921,608.60

Finding the Fourth Proportional to 13,479,880.60, 20,219,820.90 and 5,921,608.60

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Solution

The fourth proportional to 13,479,880.60, 20,219,820.90 and 5,921,608.60 is: 8,882,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,880.60 : 20,219,820.90 = 5,921,608.60 : x
  2. Step 2: Convert to fraction form
    13,479,880.60/20,219,820.90 = 5,921,608.60/x
  3. Step 3: Cross multiply
    13,479,880.60x = 20,219,820.90 × 5,921,608.60
  4. Step 4: Simplify right side
    13,479,880.60x = 119,733,865,331,899.72
  5. Step 5: Solve for x
    x = 119,733,865,331,899.72/13,479,880.60
  6. Step 6: Final answer
    x = 8,882,412.90

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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.