Home / 20,104,514.81-30,151,789.96-5,727,707.16

Finding the Fourth Proportional to 20,104,514.81, 30,151,789.96 and 5,727,707.16

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Solution

The fourth proportional to 20,104,514.81, 30,151,789.96 and 5,727,707.16 is: 8,590,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104,514.81 : 30,151,789.96 = 5,727,707.16 : x
  2. Step 2: Convert to fraction form
    20,104,514.81/30,151,789.96 = 5,727,707.16/x
  3. Step 3: Cross multiply
    20,104,514.81x = 30,151,789.96 × 5,727,707.16
  4. Step 4: Simplify right side
    20,104,514.81x = 172,700,623,240,708.12
  5. Step 5: Solve for x
    x = 172,700,623,240,708.12/20,104,514.81
  6. Step 6: Final answer
    x = 8,590,141.31

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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.