Home / 18,686,323.60-28,029,485.40-11,002,080.40

Finding the Fourth Proportional to 18,686,323.60, 28,029,485.40 and 11,002,080.40

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Solution

The fourth proportional to 18,686,323.60, 28,029,485.40 and 11,002,080.40 is: 16,503,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,323.60 : 28,029,485.40 = 11,002,080.40 : x
  2. Step 2: Convert to fraction form
    18,686,323.60/28,029,485.40 = 11,002,080.40/x
  3. Step 3: Cross multiply
    18,686,323.60x = 28,029,485.40 × 11,002,080.40
  4. Step 4: Simplify right side
    18,686,323.60x = 308,382,651,941,426.12
  5. Step 5: Solve for x
    x = 308,382,651,941,426.12/18,686,323.60
  6. Step 6: Final answer
    x = 16,503,120.60

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Double scale
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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.