Home / 18,799,270.40-28,198,905.60-12,416,729.60

Finding the Fourth Proportional to 18,799,270.40, 28,198,905.60 and 12,416,729.60

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Solution

The fourth proportional to 18,799,270.40, 28,198,905.60 and 12,416,729.60 is: 18,625,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,799,270.40 : 28,198,905.60 = 12,416,729.60 : x
  2. Step 2: Convert to fraction form
    18,799,270.40/28,198,905.60 = 12,416,729.60/x
  3. Step 3: Cross multiply
    18,799,270.40x = 28,198,905.60 × 12,416,729.60
  4. Step 4: Simplify right side
    18,799,270.40x = 350,138,185,851,125.75
  5. Step 5: Solve for x
    x = 350,138,185,851,125.75/18,799,270.40
  6. Step 6: Final answer
    x = 18,625,094.40

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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.