Home / 12,253,124.80-18,377,718.90-3,731,479.30

Finding the Fourth Proportional to 12,253,124.80, 18,377,718.90 and 3,731,479.30

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Solution

The fourth proportional to 12,253,124.80, 18,377,718.90 and 3,731,479.30 is: 5,596,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,124.80 : 18,377,718.90 = 3,731,479.30 : x
  2. Step 2: Convert to fraction form
    12,253,124.80/18,377,718.90 = 3,731,479.30/x
  3. Step 3: Cross multiply
    12,253,124.80x = 18,377,718.90 × 3,731,479.30
  4. Step 4: Simplify right side
    12,253,124.80x = 68,576,077,656,568.76
  5. Step 5: Solve for x
    x = 68,576,077,656,568.76/12,253,124.80
  6. Step 6: Final answer
    x = 5,596,619.54

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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.