Home / 36,981,873.81-51,036,491.64-20,461,730.83

Finding the Fourth Proportional to 36,981,873.81, 51,036,491.64 and 20,461,730.83

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Solution

The fourth proportional to 36,981,873.81, 51,036,491.64 and 20,461,730.83 is: 28,238,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981,873.81 : 51,036,491.64 = 20,461,730.83 : x
  2. Step 2: Convert to fraction form
    36,981,873.81/51,036,491.64 = 20,461,730.83/x
  3. Step 3: Cross multiply
    36,981,873.81x = 51,036,491.64 × 20,461,730.83
  4. Step 4: Simplify right side
    36,981,873.81x = 1,044,294,954,394,365.50
  5. Step 5: Solve for x
    x = 1,044,294,954,394,365.50/36,981,873.81
  6. Step 6: Final answer
    x = 28,238,021.68

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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.