Home / 13,184,312.80-19,776,469.20-8,082,479.20

Finding the Fourth Proportional to 13,184,312.80, 19,776,469.20 and 8,082,479.20

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Solution

The fourth proportional to 13,184,312.80, 19,776,469.20 and 8,082,479.20 is: 12,123,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,312.80 : 19,776,469.20 = 8,082,479.20 : x
  2. Step 2: Convert to fraction form
    13,184,312.80/19,776,469.20 = 8,082,479.20/x
  3. Step 3: Cross multiply
    13,184,312.80x = 19,776,469.20 × 8,082,479.20
  4. Step 4: Simplify right side
    13,184,312.80x = 159,842,900,958,440.62
  5. Step 5: Solve for x
    x = 159,842,900,958,440.62/13,184,312.80
  6. Step 6: Final answer
    x = 12,123,718.80

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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.