Home / 7,986,750.41-11,985,516.11-3,128,454.27

Finding the Fourth Proportional to 7,986,750.41, 11,985,516.11 and 3,128,454.27

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Solution

The fourth proportional to 7,986,750.41, 11,985,516.11 and 3,128,454.27 is: 4,694,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,750.41 : 11,985,516.11 = 3,128,454.27 : x
  2. Step 2: Convert to fraction form
    7,986,750.41/11,985,516.11 = 3,128,454.27/x
  3. Step 3: Cross multiply
    7,986,750.41x = 11,985,516.11 × 3,128,454.27
  4. Step 4: Simplify right side
    7,986,750.41x = 37,496,139,054,063.37
  5. Step 5: Solve for x
    x = 37,496,139,054,063.37/7,986,750.41
  6. Step 6: Final answer
    x = 4,694,792.89

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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.