Home / 10,440,563.60-15,660,845.40-9,731,975.60

Finding the Fourth Proportional to 10,440,563.60, 15,660,845.40 and 9,731,975.60

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Solution

The fourth proportional to 10,440,563.60, 15,660,845.40 and 9,731,975.60 is: 14,597,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440,563.60 : 15,660,845.40 = 9,731,975.60 : x
  2. Step 2: Convert to fraction form
    10,440,563.60/15,660,845.40 = 9,731,975.60/x
  3. Step 3: Cross multiply
    10,440,563.60x = 15,660,845.40 × 9,731,975.60
  4. Step 4: Simplify right side
    10,440,563.60x = 152,410,965,308,172.25
  5. Step 5: Solve for x
    x = 152,410,965,308,172.25/10,440,563.60
  6. Step 6: Final answer
    x = 14,597,963.40

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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.