Home / 13,353,335.20-20,030,002.80-9,314,383.60

Finding the Fourth Proportional to 13,353,335.20, 20,030,002.80 and 9,314,383.60

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Solution

The fourth proportional to 13,353,335.20, 20,030,002.80 and 9,314,383.60 is: 13,971,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353,335.20 : 20,030,002.80 = 9,314,383.60 : x
  2. Step 2: Convert to fraction form
    13,353,335.20/20,030,002.80 = 9,314,383.60/x
  3. Step 3: Cross multiply
    13,353,335.20x = 20,030,002.80 × 9,314,383.60
  4. Step 4: Simplify right side
    13,353,335.20x = 186,567,129,588,274.09
  5. Step 5: Solve for x
    x = 186,567,129,588,274.09/13,353,335.20
  6. Step 6: Final answer
    x = 13,971,575.40

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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.