Home / 12,812,308.12-19,214,507.40-3,715,076.20

Finding the Fourth Proportional to 12,812,308.12, 19,214,507.40 and 3,715,076.20

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Solution

The fourth proportional to 12,812,308.12, 19,214,507.40 and 3,715,076.20 is: 5,571,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,308.12 : 19,214,507.40 = 3,715,076.20 : x
  2. Step 2: Convert to fraction form
    12,812,308.12/19,214,507.40 = 3,715,076.20/x
  3. Step 3: Cross multiply
    12,812,308.12x = 19,214,507.40 × 3,715,076.20
  4. Step 4: Simplify right side
    12,812,308.12x = 71,383,359,136,463.88
  5. Step 5: Solve for x
    x = 71,383,359,136,463.88/12,812,308.12
  6. Step 6: Final answer
    x = 5,571,467.57

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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.