Home / 18,809,630.40-28,214,445.60-11,597,779.20

Finding the Fourth Proportional to 18,809,630.40, 28,214,445.60 and 11,597,779.20

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Solution

The fourth proportional to 18,809,630.40, 28,214,445.60 and 11,597,779.20 is: 17,396,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,630.40 : 28,214,445.60 = 11,597,779.20 : x
  2. Step 2: Convert to fraction form
    18,809,630.40/28,214,445.60 = 11,597,779.20/x
  3. Step 3: Cross multiply
    18,809,630.40x = 28,214,445.60 × 11,597,779.20
  4. Step 4: Simplify right side
    18,809,630.40x = 327,224,910,319,211.50
  5. Step 5: Solve for x
    x = 327,224,910,319,211.50/18,809,630.40
  6. Step 6: Final answer
    x = 17,396,668.80

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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.