Home / 13,709,118.38-18,918,583.36-7,597,940.54

Finding the Fourth Proportional to 13,709,118.38, 18,918,583.36 and 7,597,940.54

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Solution

The fourth proportional to 13,709,118.38, 18,918,583.36 and 7,597,940.54 is: 10,485,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709,118.38 : 18,918,583.36 = 7,597,940.54 : x
  2. Step 2: Convert to fraction form
    13,709,118.38/18,918,583.36 = 7,597,940.54/x
  3. Step 3: Cross multiply
    13,709,118.38x = 18,918,583.36 × 7,597,940.54
  4. Step 4: Simplify right side
    13,709,118.38x = 143,742,271,356,725.66
  5. Step 5: Solve for x
    x = 143,742,271,356,725.66/13,709,118.38
  6. Step 6: Final answer
    x = 10,485,157.94

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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.