Finding the Fourth Proportional to 18,565,529.60, 27,848,294.40 and 4,920,781.93
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Solution
The fourth proportional to 18,565,529.60, 27,848,294.40 and 4,920,781.93 is: 7,381,172.90
Step by Step Solution
- Step 1: Write the proportion equation
18,565,529.60 : 27,848,294.40 = 4,920,781.93 : x - Step 2: Convert to fraction form
18,565,529.60/27,848,294.40 = 4,920,781.93/x - Step 3: Cross multiply
18,565,529.60x = 27,848,294.40 × 4,920,781.93 - Step 4: Simplify right side
18,565,529.60x = 137,035,383,864,840.17 - Step 5: Solve for x
x = 137,035,383,864,840.17/18,565,529.60 - Step 6: Final answer
x = 7,381,172.90
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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.