Home / 12,987,986.64-19,481,775.84-4,468,396.92

Finding the Fourth Proportional to 12,987,986.64, 19,481,775.84 and 4,468,396.92

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Solution

The fourth proportional to 12,987,986.64, 19,481,775.84 and 4,468,396.92 is: 6,702,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987,986.64 : 19,481,775.84 = 4,468,396.92 : x
  2. Step 2: Convert to fraction form
    12,987,986.64/19,481,775.84 = 4,468,396.92/x
  3. Step 3: Cross multiply
    12,987,986.64x = 19,481,775.84 × 4,468,396.92
  4. Step 4: Simplify right side
    12,987,986.64x = 87,052,307,159,586.41
  5. Step 5: Solve for x
    x = 87,052,307,159,586.41/12,987,986.64
  6. Step 6: Final answer
    x = 6,702,525.15

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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.