Home / 30,394,106.21-45,599,682.70-12,211,069.74

Finding the Fourth Proportional to 30,394,106.21, 45,599,682.70 and 12,211,069.74

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Solution

The fourth proportional to 30,394,106.21, 45,599,682.70 and 12,211,069.74 is: 18,320,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,394,106.21 : 45,599,682.70 = 12,211,069.74 : x
  2. Step 2: Convert to fraction form
    30,394,106.21/45,599,682.70 = 12,211,069.74/x
  3. Step 3: Cross multiply
    30,394,106.21x = 45,599,682.70 × 12,211,069.74
  4. Step 4: Simplify right side
    30,394,106.21x = 556,820,905,415,836.56
  5. Step 5: Solve for x
    x = 556,820,905,415,836.56/30,394,106.21
  6. Step 6: Final answer
    x = 18,320,028.94

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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.