Finding the Fourth Proportional to 20,232,696.18, 27,921,100.98 and 10,940,244.05
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Solution
The fourth proportional to 20,232,696.18, 27,921,100.98 and 10,940,244.05 is: 15,097,526.10
Step by Step Solution
- Step 1: Write the proportion equation
20,232,696.18 : 27,921,100.98 = 10,940,244.05 : x - Step 2: Convert to fraction form
20,232,696.18/27,921,100.98 = 10,940,244.05/x - Step 3: Cross multiply
20,232,696.18x = 27,921,100.98 × 10,940,244.05 - Step 4: Simplify right side
20,232,696.18x = 305,463,658,671,587.44 - Step 5: Solve for x
x = 305,463,658,671,587.44/20,232,696.18 - Step 6: Final answer
x = 15,097,526.10
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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.