Home / 12,301,402.80-18,452,104.20-4,728,615.60

Finding the Fourth Proportional to 12,301,402.80, 18,452,104.20 and 4,728,615.60

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Solution

The fourth proportional to 12,301,402.80, 18,452,104.20 and 4,728,615.60 is: 7,092,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,402.80 : 18,452,104.20 = 4,728,615.60 : x
  2. Step 2: Convert to fraction form
    12,301,402.80/18,452,104.20 = 4,728,615.60/x
  3. Step 3: Cross multiply
    12,301,402.80x = 18,452,104.20 × 4,728,615.60
  4. Step 4: Simplify right side
    12,301,402.80x = 87,252,907,772,945.52
  5. Step 5: Solve for x
    x = 87,252,907,772,945.52/12,301,402.80
  6. Step 6: Final answer
    x = 7,092,923.40

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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.