Home / 12,154,147.60-18,219,816.60-4,586,198.80

Finding the Fourth Proportional to 12,154,147.60, 18,219,816.60 and 4,586,198.80

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Solution

The fourth proportional to 12,154,147.60, 18,219,816.60 and 4,586,198.80 is: 6,874,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,147.60 : 18,219,816.60 = 4,586,198.80 : x
  2. Step 2: Convert to fraction form
    12,154,147.60/18,219,816.60 = 4,586,198.80/x
  3. Step 3: Cross multiply
    12,154,147.60x = 18,219,816.60 × 4,586,198.80
  4. Step 4: Simplify right side
    12,154,147.60x = 83,559,701,027,140.08
  5. Step 5: Solve for x
    x = 83,559,701,027,140.08/12,154,147.60
  6. Step 6: Final answer
    x = 6,874,994.76

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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.