Home / 18,083,827.60-27,128,730.30-8,378,140.30

Finding the Fourth Proportional to 18,083,827.60, 27,128,730.30 and 8,378,140.30

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Solution

The fourth proportional to 18,083,827.60, 27,128,730.30 and 8,378,140.30 is: 12,568,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083,827.60 : 27,128,730.30 = 8,378,140.30 : x
  2. Step 2: Convert to fraction form
    18,083,827.60/27,128,730.30 = 8,378,140.30/x
  3. Step 3: Cross multiply
    18,083,827.60x = 27,128,730.30 × 8,378,140.30
  4. Step 4: Simplify right side
    18,083,827.60x = 227,288,308,614,261.09
  5. Step 5: Solve for x
    x = 227,288,308,614,261.09/18,083,827.60
  6. Step 6: Final answer
    x = 12,568,595.19

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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.