Home / 9,305,137.36-12,839,189.80-5,436,911.12

Finding the Fourth Proportional to 9,305,137.36, 12,839,189.80 and 5,436,911.12

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Solution

The fourth proportional to 9,305,137.36, 12,839,189.80 and 5,436,911.12 is: 7,501,827.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305,137.36 : 12,839,189.80 = 5,436,911.12 : x
  2. Step 2: Convert to fraction form
    9,305,137.36/12,839,189.80 = 5,436,911.12/x
  3. Step 3: Cross multiply
    9,305,137.36x = 12,839,189.80 × 5,436,911.12
  4. Step 4: Simplify right side
    9,305,137.36x = 69,805,533,795,410.58
  5. Step 5: Solve for x
    x = 69,805,533,795,410.58/9,305,137.36
  6. Step 6: Final answer
    x = 7,501,827.33

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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.