Home / 13,253,828.22-19,880,988.39-4,155,722.33

Finding the Fourth Proportional to 13,253,828.22, 19,880,988.39 and 4,155,722.33

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Solution

The fourth proportional to 13,253,828.22, 19,880,988.39 and 4,155,722.33 is: 6,233,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,828.22 : 19,880,988.39 = 4,155,722.33 : x
  2. Step 2: Convert to fraction form
    13,253,828.22/19,880,988.39 = 4,155,722.33/x
  3. Step 3: Cross multiply
    13,253,828.22x = 19,880,988.39 × 4,155,722.33
  4. Step 4: Simplify right side
    13,253,828.22x = 82,619,867,295,388.81
  5. Step 5: Solve for x
    x = 82,619,867,295,388.81/13,253,828.22
  6. Step 6: Final answer
    x = 6,233,660.64

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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.