Home / 6,912,039.60-10,368,059.40-6,227,071.20

Finding the Fourth Proportional to 6,912,039.60, 10,368,059.40 and 6,227,071.20

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Solution

The fourth proportional to 6,912,039.60, 10,368,059.40 and 6,227,071.20 is: 9,340,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,039.60 : 10,368,059.40 = 6,227,071.20 : x
  2. Step 2: Convert to fraction form
    6,912,039.60/10,368,059.40 = 6,227,071.20/x
  3. Step 3: Cross multiply
    6,912,039.60x = 10,368,059.40 × 6,227,071.20
  4. Step 4: Simplify right side
    6,912,039.60x = 64,562,644,089,629.28
  5. Step 5: Solve for x
    x = 64,562,644,089,629.28/6,912,039.60
  6. Step 6: Final answer
    x = 9,340,606.80

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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.