Home / 12,014,023.94-18,015,647.64-7,158,618.46

Finding the Fourth Proportional to 12,014,023.94, 18,015,647.64 and 7,158,618.46

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Solution

The fourth proportional to 12,014,023.94, 18,015,647.64 and 7,158,618.46 is: 10,734,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014,023.94 : 18,015,647.64 = 7,158,618.46 : x
  2. Step 2: Convert to fraction form
    12,014,023.94/18,015,647.64 = 7,158,618.46/x
  3. Step 3: Cross multiply
    12,014,023.94x = 18,015,647.64 × 7,158,618.46
  4. Step 4: Simplify right side
    12,014,023.94x = 128,967,147,764,559.44
  5. Step 5: Solve for x
    x = 128,967,147,764,559.44/12,014,023.94
  6. Step 6: Final answer
    x = 10,734,717.06

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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.