Home / 6,528,087.20-9,792,130.80-6,080,189.60

Finding the Fourth Proportional to 6,528,087.20, 9,792,130.80 and 6,080,189.60

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Solution

The fourth proportional to 6,528,087.20, 9,792,130.80 and 6,080,189.60 is: 9,120,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,087.20 : 9,792,130.80 = 6,080,189.60 : x
  2. Step 2: Convert to fraction form
    6,528,087.20/9,792,130.80 = 6,080,189.60/x
  3. Step 3: Cross multiply
    6,528,087.20x = 9,792,130.80 × 6,080,189.60
  4. Step 4: Simplify right side
    6,528,087.20x = 59,538,011,851,999.68
  5. Step 5: Solve for x
    x = 59,538,011,851,999.68/6,528,087.20
  6. Step 6: Final answer
    x = 9,120,284.40

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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.