Home / 18,143,647.80-27,215,471.70-16,757,964.60

Finding the Fourth Proportional to 18,143,647.80, 27,215,471.70 and 16,757,964.60

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Solution

The fourth proportional to 18,143,647.80, 27,215,471.70 and 16,757,964.60 is: 25,136,946.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143,647.80 : 27,215,471.70 = 16,757,964.60 : x
  2. Step 2: Convert to fraction form
    18,143,647.80/27,215,471.70 = 16,757,964.60/x
  3. Step 3: Cross multiply
    18,143,647.80x = 27,215,471.70 × 16,757,964.60
  4. Step 4: Simplify right side
    18,143,647.80x = 456,075,911,320,901.81
  5. Step 5: Solve for x
    x = 456,075,911,320,901.81/18,143,647.80
  6. Step 6: Final answer
    x = 25,136,946.90

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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.