Home / 12,286,572.60-18,429,858.90-5,463,132.60

Finding the Fourth Proportional to 12,286,572.60, 18,429,858.90 and 5,463,132.60

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Solution

The fourth proportional to 12,286,572.60, 18,429,858.90 and 5,463,132.60 is: 8,194,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,572.60 : 18,429,858.90 = 5,463,132.60 : x
  2. Step 2: Convert to fraction form
    12,286,572.60/18,429,858.90 = 5,463,132.60/x
  3. Step 3: Cross multiply
    12,286,572.60x = 18,429,858.90 × 5,463,132.60
  4. Step 4: Simplify right side
    12,286,572.60x = 100,684,762,969,990.12
  5. Step 5: Solve for x
    x = 100,684,762,969,990.12/12,286,572.60
  6. Step 6: Final answer
    x = 8,194,698.90

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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.