Home / 18,599,571.60-27,899,880.96-5,136,399.60

Finding the Fourth Proportional to 18,599,571.60, 27,899,880.96 and 5,136,399.60

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Solution

The fourth proportional to 18,599,571.60, 27,899,880.96 and 5,136,399.60 is: 7,704,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599,571.60 : 27,899,880.96 = 5,136,399.60 : x
  2. Step 2: Convert to fraction form
    18,599,571.60/27,899,880.96 = 5,136,399.60/x
  3. Step 3: Cross multiply
    18,599,571.60x = 27,899,880.96 × 5,136,399.60
  4. Step 4: Simplify right side
    18,599,571.60x = 143,304,937,402,991.62
  5. Step 5: Solve for x
    x = 143,304,937,402,991.62/18,599,571.60
  6. Step 6: Final answer
    x = 7,704,743.98

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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.