Home / 18,741,180.80-28,085,527.20-14,909,556.80

Finding the Fourth Proportional to 18,741,180.80, 28,085,527.20 and 14,909,556.80

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Solution

The fourth proportional to 18,741,180.80, 28,085,527.20 and 14,909,556.80 is: 22,343,456.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741,180.80 : 28,085,527.20 = 14,909,556.80 : x
  2. Step 2: Convert to fraction form
    18,741,180.80/28,085,527.20 = 14,909,556.80/x
  3. Step 3: Cross multiply
    18,741,180.80x = 28,085,527.20 × 14,909,556.80
  4. Step 4: Simplify right side
    18,741,180.80x = 418,742,763,046,345
  5. Step 5: Solve for x
    x = 418,742,763,046,345/18,741,180.80
  6. Step 6: Final answer
    x = 22,343,456.77

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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.