Home / 7,938,381.11-10,961,136.63-6,099,941.52

Finding the Fourth Proportional to 7,938,381.11, 10,961,136.63 and 6,099,941.52

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Solution

The fourth proportional to 7,938,381.11, 10,961,136.63 and 6,099,941.52 is: 8,422,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938,381.11 : 10,961,136.63 = 6,099,941.52 : x
  2. Step 2: Convert to fraction form
    7,938,381.11/10,961,136.63 = 6,099,941.52/x
  3. Step 3: Cross multiply
    7,938,381.11x = 10,961,136.63 × 6,099,941.52
  4. Step 4: Simplify right side
    7,938,381.11x = 66,862,292,435,729.88
  5. Step 5: Solve for x
    x = 66,862,292,435,729.88/7,938,381.11
  6. Step 6: Final answer
    x = 8,422,660.94

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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.