Finding the Fourth Proportional to 26,212,129.18, 36,172,906.14 and 14,610,428.26
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Solution
The fourth proportional to 26,212,129.18, 36,172,906.14 and 14,610,428.26 is: 20,162,484.57
Step by Step Solution
- Step 1: Write the proportion equation
26,212,129.18 : 36,172,906.14 = 14,610,428.26 : x - Step 2: Convert to fraction form
26,212,129.18/36,172,906.14 = 14,610,428.26/x - Step 3: Cross multiply
26,212,129.18x = 36,172,906.14 × 14,610,428.26 - Step 4: Simplify right side
26,212,129.18x = 528,501,650,114,183.50 - Step 5: Solve for x
x = 528,501,650,114,183.50/26,212,129.18 - Step 6: Final answer
x = 20,162,484.57
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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.