Home / 13,083,994.32-18,055,912.67-7,282,651.81

Finding the Fourth Proportional to 13,083,994.32, 18,055,912.67 and 7,282,651.81

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Solution

The fourth proportional to 13,083,994.32, 18,055,912.67 and 7,282,651.81 is: 10,050,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,994.32 : 18,055,912.67 = 7,282,651.81 : x
  2. Step 2: Convert to fraction form
    13,083,994.32/18,055,912.67 = 7,282,651.81/x
  3. Step 3: Cross multiply
    13,083,994.32x = 18,055,912.67 × 7,282,651.81
  4. Step 4: Simplify right side
    13,083,994.32x = 131,494,924,960,684.59
  5. Step 5: Solve for x
    x = 131,494,924,960,684.59/13,083,994.32
  6. Step 6: Final answer
    x = 10,050,059.77

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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.