Home / 15,289,577.84-21,099,620.52-8,414,059.91

Finding the Fourth Proportional to 15,289,577.84, 21,099,620.52 and 8,414,059.91

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Solution

The fourth proportional to 15,289,577.84, 21,099,620.52 and 8,414,059.91 is: 11,611,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289,577.84 : 21,099,620.52 = 8,414,059.91 : x
  2. Step 2: Convert to fraction form
    15,289,577.84/21,099,620.52 = 8,414,059.91/x
  3. Step 3: Cross multiply
    15,289,577.84x = 21,099,620.52 × 8,414,059.91
  4. Step 4: Simplify right side
    15,289,577.84x = 177,533,471,028,047.22
  5. Step 5: Solve for x
    x = 177,533,471,028,047.22/15,289,577.84
  6. Step 6: Final answer
    x = 11,611,404.37

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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.