Home / 13,608,914.10-20,421,915.03-5,521,922.70

Finding the Fourth Proportional to 13,608,914.10, 20,421,915.03 and 5,521,922.70

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Solution

The fourth proportional to 13,608,914.10, 20,421,915.03 and 5,521,922.70 is: 8,286,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,914.10 : 20,421,915.03 = 5,521,922.70 : x
  2. Step 2: Convert to fraction form
    13,608,914.10/20,421,915.03 = 5,521,922.70/x
  3. Step 3: Cross multiply
    13,608,914.10x = 20,421,915.03 × 5,521,922.70
  4. Step 4: Simplify right side
    13,608,914.10x = 112,768,236,181,628.19
  5. Step 5: Solve for x
    x = 112,768,236,181,628.19/13,608,914.10
  6. Step 6: Final answer
    x = 8,286,350.80

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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.