Home / 13,324,913.24-18,388,438.94-7,213,341.74

Finding the Fourth Proportional to 13,324,913.24, 18,388,438.94 and 7,213,341.74

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Solution

The fourth proportional to 13,324,913.24, 18,388,438.94 and 7,213,341.74 is: 9,954,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324,913.24 : 18,388,438.94 = 7,213,341.74 : x
  2. Step 2: Convert to fraction form
    13,324,913.24/18,388,438.94 = 7,213,341.74/x
  3. Step 3: Cross multiply
    13,324,913.24x = 18,388,438.94 × 7,213,341.74
  4. Step 4: Simplify right side
    13,324,913.24x = 132,642,094,103,276.64
  5. Step 5: Solve for x
    x = 132,642,094,103,276.64/13,324,913.24
  6. Step 6: Final answer
    x = 9,954,443.36

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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.