Finding the Fourth Proportional to 14,183,546.60, 21,243,827.10 and 11,664,122.60
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Solution
The fourth proportional to 14,183,546.60, 21,243,827.10 and 11,664,122.60 is: 17,470,285.17
Step by Step Solution
- Step 1: Write the proportion equation
14,183,546.60 : 21,243,827.10 = 11,664,122.60 : x - Step 2: Convert to fraction form
14,183,546.60/21,243,827.10 = 11,664,122.60/x - Step 3: Cross multiply
14,183,546.60x = 21,243,827.10 × 11,664,122.60 - Step 4: Simplify right side
14,183,546.60x = 247,790,603,787,602.47 - Step 5: Solve for x
x = 247,790,603,787,602.47/14,183,546.60 - Step 6: Final answer
x = 17,470,285.17
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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.