Home / 7,141,420.15-9,858,175.40-4,821,453.96

Finding the Fourth Proportional to 7,141,420.15, 9,858,175.40 and 4,821,453.96

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Solution

The fourth proportional to 7,141,420.15, 9,858,175.40 and 4,821,453.96 is: 6,655,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,420.15 : 9,858,175.40 = 4,821,453.96 : x
  2. Step 2: Convert to fraction form
    7,141,420.15/9,858,175.40 = 4,821,453.96/x
  3. Step 3: Cross multiply
    7,141,420.15x = 9,858,175.40 × 4,821,453.96
  4. Step 4: Simplify right side
    7,141,420.15x = 47,530,738,824,121.62
  5. Step 5: Solve for x
    x = 47,530,738,824,121.62/7,141,420.15
  6. Step 6: Final answer
    x = 6,655,642.41

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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.