Home / 11,938,941.45-17,912,197.94-4,262,421.69

Finding the Fourth Proportional to 11,938,941.45, 17,912,197.94 and 4,262,421.69

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Solution

The fourth proportional to 11,938,941.45, 17,912,197.94 and 4,262,421.69 is: 6,394,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938,941.45 : 17,912,197.94 = 4,262,421.69 : x
  2. Step 2: Convert to fraction form
    11,938,941.45/17,912,197.94 = 4,262,421.69/x
  3. Step 3: Cross multiply
    11,938,941.45x = 17,912,197.94 × 4,262,421.69
  4. Step 4: Simplify right side
    11,938,941.45x = 76,349,340,993,717.22
  5. Step 5: Solve for x
    x = 76,349,340,993,717.22/11,938,941.45
  6. Step 6: Final answer
    x = 6,394,984.12

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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.