Home / 12,189,745.26-16,822,038.42-6,683,622.84

Finding the Fourth Proportional to 12,189,745.26, 16,822,038.42 and 6,683,622.84

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Solution

The fourth proportional to 12,189,745.26, 16,822,038.42 and 6,683,622.84 is: 9,223,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,745.26 : 16,822,038.42 = 6,683,622.84 : x
  2. Step 2: Convert to fraction form
    12,189,745.26/16,822,038.42 = 6,683,622.84/x
  3. Step 3: Cross multiply
    12,189,745.26x = 16,822,038.42 × 6,683,622.84
  4. Step 4: Simplify right side
    12,189,745.26x = 112,432,160,199,269.52
  5. Step 5: Solve for x
    x = 112,432,160,199,269.52/12,189,745.26
  6. Step 6: Final answer
    x = 9,223,503.67

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1.5x scale

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.