Home / 18,372,977.20-27,559,465.80-8,807,039.20

Finding the Fourth Proportional to 18,372,977.20, 27,559,465.80 and 8,807,039.20

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Solution

The fourth proportional to 18,372,977.20, 27,559,465.80 and 8,807,039.20 is: 13,210,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,977.20 : 27,559,465.80 = 8,807,039.20 : x
  2. Step 2: Convert to fraction form
    18,372,977.20/27,559,465.80 = 8,807,039.20/x
  3. Step 3: Cross multiply
    18,372,977.20x = 27,559,465.80 × 8,807,039.20
  4. Step 4: Simplify right side
    18,372,977.20x = 242,717,295,631,659.34
  5. Step 5: Solve for x
    x = 242,717,295,631,659.34/18,372,977.20
  6. Step 6: Final answer
    x = 13,210,558.80

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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.