Home / 13,184,340.80-19,776,511.20-8,082,507.20

Finding the Fourth Proportional to 13,184,340.80, 19,776,511.20 and 8,082,507.20

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Solution

The fourth proportional to 13,184,340.80, 19,776,511.20 and 8,082,507.20 is: 12,123,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,340.80 : 19,776,511.20 = 8,082,507.20 : x
  2. Step 2: Convert to fraction form
    13,184,340.80/19,776,511.20 = 8,082,507.20/x
  3. Step 3: Cross multiply
    13,184,340.80x = 19,776,511.20 × 8,082,507.20
  4. Step 4: Simplify right side
    13,184,340.80x = 159,843,794,164,880.62
  5. Step 5: Solve for x
    x = 159,843,794,164,880.62/13,184,340.80
  6. Step 6: Final answer
    x = 12,123,760.80

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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.