Home / 8,352,028.80-12,528,043.20-4,362,422.40

Finding the Fourth Proportional to 8,352,028.80, 12,528,043.20 and 4,362,422.40

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Solution

The fourth proportional to 8,352,028.80, 12,528,043.20 and 4,362,422.40 is: 6,543,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,028.80 : 12,528,043.20 = 4,362,422.40 : x
  2. Step 2: Convert to fraction form
    8,352,028.80/12,528,043.20 = 4,362,422.40/x
  3. Step 3: Cross multiply
    8,352,028.80x = 12,528,043.20 × 4,362,422.40
  4. Step 4: Simplify right side
    8,352,028.80x = 54,652,616,283,847.68
  5. Step 5: Solve for x
    x = 54,652,616,283,847.68/8,352,028.80
  6. Step 6: Final answer
    x = 6,543,633.60

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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.