Finding the Fourth Proportional to 15,211,924.04, 20,992,473.36 and 8,242,596.56
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Solution
The fourth proportional to 15,211,924.04, 20,992,473.36 and 8,242,596.56 is: 11,374,793.11
Step by Step Solution
- Step 1: Write the proportion equation
15,211,924.04 : 20,992,473.36 = 8,242,596.56 : x - Step 2: Convert to fraction form
15,211,924.04/20,992,473.36 = 8,242,596.56/x - Step 3: Cross multiply
15,211,924.04x = 20,992,473.36 × 8,242,596.56 - Step 4: Simplify right side
15,211,924.04x = 173,032,488,703,027.62 - Step 5: Solve for x
x = 173,032,488,703,027.62/15,211,924.04 - Step 6: Final answer
x = 11,374,793.11
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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.