Home / 13,324,740.24-18,388,200.21-7,213,168.74

Finding the Fourth Proportional to 13,324,740.24, 18,388,200.21 and 7,213,168.74

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Solution

The fourth proportional to 13,324,740.24, 18,388,200.21 and 7,213,168.74 is: 9,954,204.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,740.24 : 18,388,200.21 = 7,213,168.74 : x
  2. Step 2: Convert to fraction form
    13,324,740.24/18,388,200.21 = 7,213,168.74/x
  3. Step 3: Cross multiply
    13,324,740.24x = 18,388,200.21 × 7,213,168.74
  4. Step 4: Simplify right side
    13,324,740.24x = 132,637,190,939,633.45
  5. Step 5: Solve for x
    x = 132,637,190,939,633.45/13,324,740.24
  6. Step 6: Final answer
    x = 9,954,204.63

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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.