Home / 18,923,990.40-28,385,985.60-14,677,257.60

Finding the Fourth Proportional to 18,923,990.40, 28,385,985.60 and 14,677,257.60

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Solution

The fourth proportional to 18,923,990.40, 28,385,985.60 and 14,677,257.60 is: 22,015,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,990.40 : 28,385,985.60 = 14,677,257.60 : x
  2. Step 2: Convert to fraction form
    18,923,990.40/28,385,985.60 = 14,677,257.60/x
  3. Step 3: Cross multiply
    18,923,990.40x = 28,385,985.60 × 14,677,257.60
  4. Step 4: Simplify right side
    18,923,990.40x = 416,628,422,881,090.56
  5. Step 5: Solve for x
    x = 416,628,422,881,090.56/18,923,990.40
  6. Step 6: Final answer
    x = 22,015,886.40

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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.