Home / 12,197,519.65-18,294,996.43-5,009,812.93

Finding the Fourth Proportional to 12,197,519.65, 18,294,996.43 and 5,009,812.93

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Solution

The fourth proportional to 12,197,519.65, 18,294,996.43 and 5,009,812.93 is: 7,514,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197,519.65 : 18,294,996.43 = 5,009,812.93 : x
  2. Step 2: Convert to fraction form
    12,197,519.65/18,294,996.43 = 5,009,812.93/x
  3. Step 3: Cross multiply
    12,197,519.65x = 18,294,996.43 × 5,009,812.93
  4. Step 4: Simplify right side
    12,197,519.65x = 91,654,509,669,317.83
  5. Step 5: Solve for x
    x = 91,654,509,669,317.83/12,197,519.65
  6. Step 6: Final answer
    x = 7,514,192.42

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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.