Home / 7,268,458.72-10,030,540.30-4,005,390.22

Finding the Fourth Proportional to 7,268,458.72, 10,030,540.30 and 4,005,390.22

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Solution

The fourth proportional to 7,268,458.72, 10,030,540.30 and 4,005,390.22 is: 5,527,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,458.72 : 10,030,540.30 = 4,005,390.22 : x
  2. Step 2: Convert to fraction form
    7,268,458.72/10,030,540.30 = 4,005,390.22/x
  3. Step 3: Cross multiply
    7,268,458.72x = 10,030,540.30 × 4,005,390.22
  4. Step 4: Simplify right side
    7,268,458.72x = 40,176,228,051,534.99
  5. Step 5: Solve for x
    x = 40,176,228,051,534.99/7,268,458.72
  6. Step 6: Final answer
    x = 5,527,475.58

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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.