Home / 8,889,853.20-13,334,779.80-8,748,135.60

Finding the Fourth Proportional to 8,889,853.20, 13,334,779.80 and 8,748,135.60

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Solution

The fourth proportional to 8,889,853.20, 13,334,779.80 and 8,748,135.60 is: 13,122,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,853.20 : 13,334,779.80 = 8,748,135.60 : x
  2. Step 2: Convert to fraction form
    8,889,853.20/13,334,779.80 = 8,748,135.60/x
  3. Step 3: Cross multiply
    8,889,853.20x = 13,334,779.80 × 8,748,135.60
  4. Step 4: Simplify right side
    8,889,853.20x = 116,654,461,886,540.88
  5. Step 5: Solve for x
    x = 116,654,461,886,540.88/8,889,853.20
  6. Step 6: Final answer
    x = 13,122,203.40

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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.