Home / 8,256,352.40-12,384,528.60-4,477,216.40

Finding the Fourth Proportional to 8,256,352.40, 12,384,528.60 and 4,477,216.40

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Solution

The fourth proportional to 8,256,352.40, 12,384,528.60 and 4,477,216.40 is: 6,715,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256,352.40 : 12,384,528.60 = 4,477,216.40 : x
  2. Step 2: Convert to fraction form
    8,256,352.40/12,384,528.60 = 4,477,216.40/x
  3. Step 3: Cross multiply
    8,256,352.40x = 12,384,528.60 × 4,477,216.40
  4. Step 4: Simplify right side
    8,256,352.40x = 55,448,214,554,189.04
  5. Step 5: Solve for x
    x = 55,448,214,554,189.04/8,256,352.40
  6. Step 6: Final answer
    x = 6,715,824.60

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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.