Home / 8,191,823.80-12,287,735.70-4,160,745.40

Finding the Fourth Proportional to 8,191,823.80, 12,287,735.70 and 4,160,745.40

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Solution

The fourth proportional to 8,191,823.80, 12,287,735.70 and 4,160,745.40 is: 6,241,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,823.80 : 12,287,735.70 = 4,160,745.40 : x
  2. Step 2: Convert to fraction form
    8,191,823.80/12,287,735.70 = 4,160,745.40/x
  3. Step 3: Cross multiply
    8,191,823.80x = 12,287,735.70 × 4,160,745.40
  4. Step 4: Simplify right side
    8,191,823.80x = 51,126,139,790,190.77
  5. Step 5: Solve for x
    x = 51,126,139,790,190.77/8,191,823.80
  6. Step 6: Final answer
    x = 6,241,118.10

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1.5x scale

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.