Finding the Fourth Proportional to 12,475,696.18, 18,635,746.29 and 9,243,546.64
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Solution
The fourth proportional to 12,475,696.18, 18,635,746.29 and 9,243,546.64 is: 13,807,677.55
Step by Step Solution
- Step 1: Write the proportion equation
12,475,696.18 : 18,635,746.29 = 9,243,546.64 : x - Step 2: Convert to fraction form
12,475,696.18/18,635,746.29 = 9,243,546.64/x - Step 3: Cross multiply
12,475,696.18x = 18,635,746.29 × 9,243,546.64 - Step 4: Simplify right side
12,475,696.18x = 172,260,390,078,390.31 - Step 5: Solve for x
x = 172,260,390,078,390.31/12,475,696.18 - Step 6: Final answer
x = 13,807,677.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.