Finding the Fourth Proportional to 21,587,323.08, 32,371,767.44 and 12,495,696.17
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Solution
The fourth proportional to 21,587,323.08, 32,371,767.44 and 12,495,696.17 is: 18,738,208.93
Step by Step Solution
- Step 1: Write the proportion equation
21,587,323.08 : 32,371,767.44 = 12,495,696.17 : x - Step 2: Convert to fraction form
21,587,323.08/32,371,767.44 = 12,495,696.17/x - Step 3: Cross multiply
21,587,323.08x = 32,371,767.44 × 12,495,696.17 - Step 4: Simplify right side
21,587,323.08x = 404,507,770,191,801.31 - Step 5: Solve for x
x = 404,507,770,191,801.31/21,587,323.08 - Step 6: Final answer
x = 18,738,208.93
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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.