Home / 13,233,791.35-19,857,740.10-5,147,030.80

Finding the Fourth Proportional to 13,233,791.35, 19,857,740.10 and 5,147,030.80

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Solution

The fourth proportional to 13,233,791.35, 19,857,740.10 and 5,147,030.80 is: 7,723,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233,791.35 : 19,857,740.10 = 5,147,030.80 : x
  2. Step 2: Convert to fraction form
    13,233,791.35/19,857,740.10 = 5,147,030.80/x
  3. Step 3: Cross multiply
    13,233,791.35x = 19,857,740.10 × 5,147,030.80
  4. Step 4: Simplify right side
    13,233,791.35x = 102,208,399,913,095.08
  5. Step 5: Solve for x
    x = 102,208,399,913,095.08/13,233,791.35
  6. Step 6: Final answer
    x = 7,723,289.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.