Home / 7,422,602.40-11,133,903.60-5,740,912.80

Finding the Fourth Proportional to 7,422,602.40, 11,133,903.60 and 5,740,912.80

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Solution

The fourth proportional to 7,422,602.40, 11,133,903.60 and 5,740,912.80 is: 8,611,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422,602.40 : 11,133,903.60 = 5,740,912.80 : x
  2. Step 2: Convert to fraction form
    7,422,602.40/11,133,903.60 = 5,740,912.80/x
  3. Step 3: Cross multiply
    7,422,602.40x = 11,133,903.60 × 5,740,912.80
  4. Step 4: Simplify right side
    7,422,602.40x = 63,918,769,691,206.08
  5. Step 5: Solve for x
    x = 63,918,769,691,206.08/7,422,602.40
  6. Step 6: Final answer
    x = 8,611,369.20

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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.