Home / 20,460,285.06-30,703,494.92-9,678,221.97

Finding the Fourth Proportional to 20,460,285.06, 30,703,494.92 and 9,678,221.97

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Solution

The fourth proportional to 20,460,285.06, 30,703,494.92 and 9,678,221.97 is: 14,523,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,460,285.06 : 30,703,494.92 = 9,678,221.97 : x
  2. Step 2: Convert to fraction form
    20,460,285.06/30,703,494.92 = 9,678,221.97/x
  3. Step 3: Cross multiply
    20,460,285.06x = 30,703,494.92 × 9,678,221.97
  4. Step 4: Simplify right side
    20,460,285.06x = 297,155,239,090,527.44
  5. Step 5: Solve for x
    x = 297,155,239,090,527.44/20,460,285.06
  6. Step 6: Final answer
    x = 14,523,514.13

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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.