Home / 18,925,334.40-28,388,001.60-18,726,268.80

Finding the Fourth Proportional to 18,925,334.40, 28,388,001.60 and 18,726,268.80

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Solution

The fourth proportional to 18,925,334.40, 28,388,001.60 and 18,726,268.80 is: 28,089,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925,334.40 : 28,388,001.60 = 18,726,268.80 : x
  2. Step 2: Convert to fraction form
    18,925,334.40/28,388,001.60 = 18,726,268.80/x
  3. Step 3: Cross multiply
    18,925,334.40x = 28,388,001.60 × 18,726,268.80
  4. Step 4: Simplify right side
    18,925,334.40x = 531,601,348,656,430.12
  5. Step 5: Solve for x
    x = 531,601,348,656,430.12/18,925,334.40
  6. Step 6: Final answer
    x = 28,089,403.20

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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.