Home / 13,468,507.30-18,581,929.77-7,665,837.22

Finding the Fourth Proportional to 13,468,507.30, 18,581,929.77 and 7,665,837.22

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Solution

The fourth proportional to 13,468,507.30, 18,581,929.77 and 7,665,837.22 is: 10,576,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,507.30 : 18,581,929.77 = 7,665,837.22 : x
  2. Step 2: Convert to fraction form
    13,468,507.30/18,581,929.77 = 7,665,837.22/x
  3. Step 3: Cross multiply
    13,468,507.30x = 18,581,929.77 × 7,665,837.22
  4. Step 4: Simplify right side
    13,468,507.30x = 142,446,048,850,292.03
  5. Step 5: Solve for x
    x = 142,446,048,850,292.03/13,468,507.30
  6. Step 6: Final answer
    x = 10,576,231.33

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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.