Finding the Fourth Proportional to 18,565,557.35, 27,848,336.03 and 4,920,809.68
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Solution
The fourth proportional to 18,565,557.35, 27,848,336.03 and 4,920,809.68 is: 7,381,214.52
Step by Step Solution
- Step 1: Write the proportion equation
18,565,557.35 : 27,848,336.03 = 4,920,809.68 : x - Step 2: Convert to fraction form
18,565,557.35/27,848,336.03 = 4,920,809.68/x - Step 3: Cross multiply
18,565,557.35x = 27,848,336.03 × 4,920,809.68 - Step 4: Simplify right side
18,565,557.35x = 137,036,361,508,316.77 - Step 5: Solve for x
x = 137,036,361,508,316.77/18,565,557.35 - Step 6: Final answer
x = 7,381,214.52
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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.