Home / 51,979,682.92-71,732,808.36-28,457,822.68

Finding the Fourth Proportional to 51,979,682.92, 71,732,808.36 and 28,457,822.68

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Solution

The fourth proportional to 51,979,682.92, 71,732,808.36 and 28,457,822.68 is: 39,272,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,979,682.92 : 71,732,808.36 = 28,457,822.68 : x
  2. Step 2: Convert to fraction form
    51,979,682.92/71,732,808.36 = 28,457,822.68/x
  3. Step 3: Cross multiply
    51,979,682.92x = 71,732,808.36 × 28,457,822.68
  4. Step 4: Simplify right side
    51,979,682.92x = 2,041,359,540,647,301.50
  5. Step 5: Solve for x
    x = 2,041,359,540,647,301.50/51,979,682.92
  6. Step 6: Final answer
    x = 39,272,258.43

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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.