Finding the Fourth Proportional to 10,478,436.68, 14,454,949.56 and 6,124,678.58
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Solution
The fourth proportional to 10,478,436.68, 14,454,949.56 and 6,124,678.58 is: 8,448,962.63
Step by Step Solution
- Step 1: Write the proportion equation
10,478,436.68 : 14,454,949.56 = 6,124,678.58 : x - Step 2: Convert to fraction form
10,478,436.68/14,454,949.56 = 6,124,678.58/x - Step 3: Cross multiply
10,478,436.68x = 14,454,949.56 × 6,124,678.58 - Step 4: Simplify right side
10,478,436.68x = 88,531,919,945,112.42 - Step 5: Solve for x
x = 88,531,919,945,112.42/10,478,436.68 - Step 6: Final answer
x = 8,448,962.63
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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.