Home / 40,096,876.96-55,333,744.68-21,762,162.46

Finding the Fourth Proportional to 40,096,876.96, 55,333,744.68 and 21,762,162.46

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Solution

The fourth proportional to 40,096,876.96, 55,333,744.68 and 21,762,162.46 is: 30,031,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,876.96 : 55,333,744.68 = 21,762,162.46 : x
  2. Step 2: Convert to fraction form
    40,096,876.96/55,333,744.68 = 21,762,162.46/x
  3. Step 3: Cross multiply
    40,096,876.96x = 55,333,744.68 × 21,762,162.46
  4. Step 4: Simplify right side
    40,096,876.96x = 1,204,181,941,246,320.75
  5. Step 5: Solve for x
    x = 1,204,181,941,246,320.75/40,096,876.96
  6. Step 6: Final answer
    x = 30,031,813.76

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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.