Home / 13,462,550.80-20,193,826.20-8,087,779.60

Finding the Fourth Proportional to 13,462,550.80, 20,193,826.20 and 8,087,779.60

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Solution

The fourth proportional to 13,462,550.80, 20,193,826.20 and 8,087,779.60 is: 12,131,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,550.80 : 20,193,826.20 = 8,087,779.60 : x
  2. Step 2: Convert to fraction form
    13,462,550.80/20,193,826.20 = 8,087,779.60/x
  3. Step 3: Cross multiply
    13,462,550.80x = 20,193,826.20 × 8,087,779.60
  4. Step 4: Simplify right side
    13,462,550.80x = 163,323,215,586,305.50
  5. Step 5: Solve for x
    x = 163,323,215,586,305.50/13,462,550.80
  6. Step 6: Final answer
    x = 12,131,669.40

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Double scale
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Similar ratio
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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.