Home / 7,139,840.58-10,711,297.29-2,215,775.04

Finding the Fourth Proportional to 7,139,840.58, 10,711,297.29 and 2,215,775.04

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Solution

The fourth proportional to 7,139,840.58, 10,711,297.29 and 2,215,775.04 is: 3,324,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,840.58 : 10,711,297.29 = 2,215,775.04 : x
  2. Step 2: Convert to fraction form
    7,139,840.58/10,711,297.29 = 2,215,775.04/x
  3. Step 3: Cross multiply
    7,139,840.58x = 10,711,297.29 × 2,215,775.04
  4. Step 4: Simplify right side
    7,139,840.58x = 23,733,825,181,201.64
  5. Step 5: Solve for x
    x = 23,733,825,181,201.64/7,139,840.58
  6. Step 6: Final answer
    x = 3,324,139.37

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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.