Home / 20,280,183-27,986,652.54-11,695,479

Finding the Fourth Proportional to 20,280,183, 27,986,652.54 and 11,695,479

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Solution

The fourth proportional to 20,280,183, 27,986,652.54 and 11,695,479 is: 16,139,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,280,183 : 27,986,652.54 = 11,695,479 : x
  2. Step 2: Convert to fraction form
    20,280,183/27,986,652.54 = 11,695,479/x
  3. Step 3: Cross multiply
    20,280,183x = 27,986,652.54 × 11,695,479
  4. Step 4: Simplify right side
    20,280,183x = 327,317,307,061,866.62
  5. Step 5: Solve for x
    x = 327,317,307,061,866.62/20,280,183
  6. Step 6: Final answer
    x = 16,139,761.02

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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.