Home / 8,136,977.11-12,205,465.56-6,341,204.07

Finding the Fourth Proportional to 8,136,977.11, 12,205,465.56 and 6,341,204.07

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Solution

The fourth proportional to 8,136,977.11, 12,205,465.56 and 6,341,204.07 is: 9,511,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,977.11 : 12,205,465.56 = 6,341,204.07 : x
  2. Step 2: Convert to fraction form
    8,136,977.11/12,205,465.56 = 6,341,204.07/x
  3. Step 3: Cross multiply
    8,136,977.11x = 12,205,465.56 × 6,341,204.07
  4. Step 4: Simplify right side
    8,136,977.11x = 77,397,347,885,316.84
  5. Step 5: Solve for x
    x = 77,397,347,885,316.84/8,136,977.11
  6. Step 6: Final answer
    x = 9,511,806.03

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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.