Home / 34,765,529.96-47,981,429.76-20,827,481.28

Finding the Fourth Proportional to 34,765,529.96, 47,981,429.76 and 20,827,481.28

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Solution

The fourth proportional to 34,765,529.96, 47,981,429.76 and 20,827,481.28 is: 28,744,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765,529.96 : 47,981,429.76 = 20,827,481.28 : x
  2. Step 2: Convert to fraction form
    34,765,529.96/47,981,429.76 = 20,827,481.28/x
  3. Step 3: Cross multiply
    34,765,529.96x = 47,981,429.76 × 20,827,481.28
  4. Step 4: Simplify right side
    34,765,529.96x = 999,332,330,114,034.88
  5. Step 5: Solve for x
    x = 999,332,330,114,034.88/34,765,529.96
  6. Step 6: Final answer
    x = 28,744,918.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.