Finding the Fourth Proportional to 18,879,964.44, 26,056,365.48 and 11,041,873.08
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Solution
The fourth proportional to 18,879,964.44, 26,056,365.48 and 11,041,873.08 is: 15,238,963.05
Step by Step Solution
- Step 1: Write the proportion equation
18,879,964.44 : 26,056,365.48 = 11,041,873.08 : x - Step 2: Convert to fraction form
18,879,964.44/26,056,365.48 = 11,041,873.08/x - Step 3: Cross multiply
18,879,964.44x = 26,056,365.48 × 11,041,873.08 - Step 4: Simplify right side
18,879,964.44x = 287,711,080,556,253.31 - Step 5: Solve for x
x = 287,711,080,556,253.31/18,879,964.44 - Step 6: Final answer
x = 15,238,963.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.