Home / 13,465,857.03-18,583,001.49-7,665,012.20

Finding the Fourth Proportional to 13,465,857.03, 18,583,001.49 and 7,665,012.20

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Solution

The fourth proportional to 13,465,857.03, 18,583,001.49 and 7,665,012.20 is: 10,577,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,857.03 : 18,583,001.49 = 7,665,012.20 : x
  2. Step 2: Convert to fraction form
    13,465,857.03/18,583,001.49 = 7,665,012.20/x
  3. Step 3: Cross multiply
    13,465,857.03x = 18,583,001.49 × 7,665,012.20
  4. Step 4: Simplify right side
    13,465,857.03x = 142,438,933,040,553.16
  5. Step 5: Solve for x
    x = 142,438,933,040,553.16/13,465,857.03
  6. Step 6: Final answer
    x = 10,577,784.45

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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.