Home / 9,171,939.60-13,757,909.40-5,190,627.60

Finding the Fourth Proportional to 9,171,939.60, 13,757,909.40 and 5,190,627.60

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Solution

The fourth proportional to 9,171,939.60, 13,757,909.40 and 5,190,627.60 is: 7,785,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,939.60 : 13,757,909.40 = 5,190,627.60 : x
  2. Step 2: Convert to fraction form
    9,171,939.60/13,757,909.40 = 5,190,627.60/x
  3. Step 3: Cross multiply
    9,171,939.60x = 13,757,909.40 × 5,190,627.60
  4. Step 4: Simplify right side
    9,171,939.60x = 71,412,184,249,939.44
  5. Step 5: Solve for x
    x = 71,412,184,249,939.44/9,171,939.60
  6. Step 6: Final answer
    x = 7,785,941.40

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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.