Home / 12,958,679.43-19,435,891.34-4,322,846.21

Finding the Fourth Proportional to 12,958,679.43, 19,435,891.34 and 4,322,846.21

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Solution

The fourth proportional to 12,958,679.43, 19,435,891.34 and 4,322,846.21 is: 6,483,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,958,679.43 : 19,435,891.34 = 4,322,846.21 : x
  2. Step 2: Convert to fraction form
    12,958,679.43/19,435,891.34 = 4,322,846.21/x
  3. Step 3: Cross multiply
    12,958,679.43x = 19,435,891.34 × 4,322,846.21
  4. Step 4: Simplify right side
    12,958,679.43x = 84,018,369,130,718.48
  5. Step 5: Solve for x
    x = 84,018,369,130,718.48/12,958,679.43
  6. Step 6: Final answer
    x = 6,483,559.50

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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.