Finding the Fourth Proportional to 19,654,771.63, 27,122,456.53 and 11,280,368.65
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Solution
The fourth proportional to 19,654,771.63, 27,122,456.53 and 11,280,368.65 is: 15,566,261.17
Step by Step Solution
- Step 1: Write the proportion equation
19,654,771.63 : 27,122,456.53 = 11,280,368.65 : x - Step 2: Convert to fraction form
19,654,771.63/27,122,456.53 = 11,280,368.65/x - Step 3: Cross multiply
19,654,771.63x = 27,122,456.53 × 11,280,368.65 - Step 4: Simplify right side
19,654,771.63x = 305,951,308,351,999.81 - Step 5: Solve for x
x = 305,951,308,351,999.81/19,654,771.63 - Step 6: Final answer
x = 15,566,261.17
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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.