Home / 12,453,568.36-18,685,747.34-6,689,576.41

Finding the Fourth Proportional to 12,453,568.36, 18,685,747.34 and 6,689,576.41

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Solution

The fourth proportional to 12,453,568.36, 18,685,747.34 and 6,689,576.41 is: 10,037,262.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,568.36 : 18,685,747.34 = 6,689,576.41 : x
  2. Step 2: Convert to fraction form
    12,453,568.36/18,685,747.34 = 6,689,576.41/x
  3. Step 3: Cross multiply
    12,453,568.36x = 18,685,747.34 × 6,689,576.41
  4. Step 4: Simplify right side
    12,453,568.36x = 124,999,734,658,915.25
  5. Step 5: Solve for x
    x = 124,999,734,658,915.25/12,453,568.36
  6. Step 6: Final answer
    x = 10,037,262.50

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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.