Finding the Fourth Proportional to 15,404,796.04, 21,259,282.82 and 8,529,278.08
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Solution
The fourth proportional to 15,404,796.04, 21,259,282.82 and 8,529,278.08 is: 11,770,771.55
Step by Step Solution
- Step 1: Write the proportion equation
15,404,796.04 : 21,259,282.82 = 8,529,278.08 : x - Step 2: Convert to fraction form
15,404,796.04/21,259,282.82 = 8,529,278.08/x - Step 3: Cross multiply
15,404,796.04x = 21,259,282.82 × 8,529,278.08 - Step 4: Simplify right side
15,404,796.04x = 181,326,334,953,146.59 - Step 5: Solve for x
x = 181,326,334,953,146.59/15,404,796.04 - Step 6: Final answer
x = 11,770,771.55
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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.