Home / 13,325,084.82-18,388,676.70-7,213,513.32

Finding the Fourth Proportional to 13,325,084.82, 18,388,676.70 and 7,213,513.32

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Solution

The fourth proportional to 13,325,084.82, 18,388,676.70 and 7,213,513.32 is: 9,954,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325,084.82 : 18,388,676.70 = 7,213,513.32 : x
  2. Step 2: Convert to fraction form
    13,325,084.82/18,388,676.70 = 7,213,513.32/x
  3. Step 3: Cross multiply
    13,325,084.82x = 18,388,676.70 × 7,213,513.32
  4. Step 4: Simplify right side
    13,325,084.82x = 132,646,964,312,623.64
  5. Step 5: Solve for x
    x = 132,646,964,312,623.64/13,325,084.82
  6. Step 6: Final answer
    x = 9,954,680.67

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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.