Home / 18,715,209.12-28,075,491.36-5,762,455.56

Finding the Fourth Proportional to 18,715,209.12, 28,075,491.36 and 5,762,455.56

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Solution

The fourth proportional to 18,715,209.12, 28,075,491.36 and 5,762,455.56 is: 8,644,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,209.12 : 28,075,491.36 = 5,762,455.56 : x
  2. Step 2: Convert to fraction form
    18,715,209.12/28,075,491.36 = 5,762,455.56/x
  3. Step 3: Cross multiply
    18,715,209.12x = 28,075,491.36 × 5,762,455.56
  4. Step 4: Simplify right side
    18,715,209.12x = 161,783,771,287,163.94
  5. Step 5: Solve for x
    x = 161,783,771,287,163.94/18,715,209.12
  6. Step 6: Final answer
    x = 8,644,507.80

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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.