Finding the Fourth Proportional to 21,646,827.06, 32,471,755.68 and 8,692,975.74
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Solution
The fourth proportional to 21,646,827.06, 32,471,755.68 and 8,692,975.74 is: 13,040,072.04
Step by Step Solution
- Step 1: Write the proportion equation
21,646,827.06 : 32,471,755.68 = 8,692,975.74 : x - Step 2: Convert to fraction form
21,646,827.06/32,471,755.68 = 8,692,975.74/x - Step 3: Cross multiply
21,646,827.06x = 32,471,755.68 × 8,692,975.74 - Step 4: Simplify right side
21,646,827.06x = 282,276,184,361,447.19 - Step 5: Solve for x
x = 282,276,184,361,447.19/21,646,827.06 - Step 6: Final answer
x = 13,040,072.04
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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.