Home / 12,136,589.28-16,749,002.94-6,979,955.55

Finding the Fourth Proportional to 12,136,589.28, 16,749,002.94 and 6,979,955.55

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Solution

The fourth proportional to 12,136,589.28, 16,749,002.94 and 6,979,955.55 is: 9,632,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,589.28 : 16,749,002.94 = 6,979,955.55 : x
  2. Step 2: Convert to fraction form
    12,136,589.28/16,749,002.94 = 6,979,955.55/x
  3. Step 3: Cross multiply
    12,136,589.28x = 16,749,002.94 × 6,979,955.55
  4. Step 4: Simplify right side
    12,136,589.28x = 116,907,296,028,019.31
  5. Step 5: Solve for x
    x = 116,907,296,028,019.31/12,136,589.28
  6. Step 6: Final answer
    x = 9,632,631.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.