Home / 15,289,577.88-21,099,620.37-8,414,059.95

Finding the Fourth Proportional to 15,289,577.88, 21,099,620.37 and 8,414,059.95

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Solution

The fourth proportional to 15,289,577.88, 21,099,620.37 and 8,414,059.95 is: 11,611,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,577.88 : 21,099,620.37 = 8,414,059.95 : x
  2. Step 2: Convert to fraction form
    15,289,577.88/21,099,620.37 = 8,414,059.95/x
  3. Step 3: Cross multiply
    15,289,577.88x = 21,099,620.37 × 8,414,059.95
  4. Step 4: Simplify right side
    15,289,577.88x = 177,533,470,715,421.19
  5. Step 5: Solve for x
    x = 177,533,470,715,421.19/15,289,577.88
  6. Step 6: Final answer
    x = 11,611,404.32

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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.