Home / 28,962,137.34-43,442,636.31-11,689,879.86

Finding the Fourth Proportional to 28,962,137.34, 43,442,636.31 and 11,689,879.86

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Solution

The fourth proportional to 28,962,137.34, 43,442,636.31 and 11,689,879.86 is: 17,534,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,962,137.34 : 43,442,636.31 = 11,689,879.86 : x
  2. Step 2: Convert to fraction form
    28,962,137.34/43,442,636.31 = 11,689,879.86/x
  3. Step 3: Cross multiply
    28,962,137.34x = 43,442,636.31 × 11,689,879.86
  4. Step 4: Simplify right side
    28,962,137.34x = 507,839,199,265,573.69
  5. Step 5: Solve for x
    x = 507,839,199,265,573.69/28,962,137.34
  6. Step 6: Final answer
    x = 17,534,589.84

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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.