Finding the Fourth Proportional to 13,529,605.86, 20,267,370.18 and 8,135,302.32
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Solution
The fourth proportional to 13,529,605.86, 20,267,370.18 and 8,135,302.32 is: 12,186,695.26
Step by Step Solution
- Step 1: Write the proportion equation
13,529,605.86 : 20,267,370.18 = 8,135,302.32 : x - Step 2: Convert to fraction form
13,529,605.86/20,267,370.18 = 8,135,302.32/x - Step 3: Cross multiply
13,529,605.86x = 20,267,370.18 × 8,135,302.32 - Step 4: Simplify right side
13,529,605.86x = 164,881,183,645,652.81 - Step 5: Solve for x
x = 164,881,183,645,652.81/13,529,605.86 - Step 6: Final answer
x = 12,186,695.26
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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.