Finding the Fourth Proportional to 19,879,844.58, 29,816,445.36 and 5,504,365.50
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Solution
The fourth proportional to 19,879,844.58, 29,816,445.36 and 5,504,365.50 is: 8,255,628.58
Step by Step Solution
- Step 1: Write the proportion equation
19,879,844.58 : 29,816,445.36 = 5,504,365.50 : x - Step 2: Convert to fraction form
19,879,844.58/29,816,445.36 = 5,504,365.50/x - Step 3: Cross multiply
19,879,844.58x = 29,816,445.36 × 5,504,365.50 - Step 4: Simplify right side
19,879,844.58x = 164,120,613,172,219.06 - Step 5: Solve for x
x = 164,120,613,172,219.06/19,879,844.58 - Step 6: Final answer
x = 8,255,628.58
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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.