Finding the Fourth Proportional to 15,747,811.08, 21,731,979.30 and 8,504,467.08
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Solution
The fourth proportional to 15,747,811.08, 21,731,979.30 and 8,504,467.08 is: 11,736,164.58
Step by Step Solution
- Step 1: Write the proportion equation
15,747,811.08 : 21,731,979.30 = 8,504,467.08 : x - Step 2: Convert to fraction form
15,747,811.08/21,731,979.30 = 8,504,467.08/x - Step 3: Cross multiply
15,747,811.08x = 21,731,979.30 × 8,504,467.08 - Step 4: Simplify right side
15,747,811.08x = 184,818,902,540,091.44 - Step 5: Solve for x
x = 184,818,902,540,091.44/15,747,811.08 - Step 6: Final answer
x = 11,736,164.58
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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.