Home / 27,430,580.48-41,137,471.20-18,965,315.84

Finding the Fourth Proportional to 27,430,580.48, 41,137,471.20 and 18,965,315.84

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Solution

The fourth proportional to 27,430,580.48, 41,137,471.20 and 18,965,315.84 is: 28,442,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,430,580.48 : 41,137,471.20 = 18,965,315.84 : x
  2. Step 2: Convert to fraction form
    27,430,580.48/41,137,471.20 = 18,965,315.84/x
  3. Step 3: Cross multiply
    27,430,580.48x = 41,137,471.20 × 18,965,315.84
  4. Step 4: Simplify right side
    27,430,580.48x = 780,185,134,166,903.88
  5. Step 5: Solve for x
    x = 780,185,134,166,903.88/27,430,580.48
  6. Step 6: Final answer
    x = 28,442,166.39

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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.