Finding the Fourth Proportional to 14,997,395.65, 20,696,302.95 and 8,121,720.37
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Solution
The fourth proportional to 14,997,395.65, 20,696,302.95 and 8,121,720.37 is: 11,207,918.31
Step by Step Solution
- Step 1: Write the proportion equation
14,997,395.65 : 20,696,302.95 = 8,121,720.37 : x - Step 2: Convert to fraction form
14,997,395.65/20,696,302.95 = 8,121,720.37/x - Step 3: Cross multiply
14,997,395.65x = 20,696,302.95 × 8,121,720.37 - Step 4: Simplify right side
14,997,395.65x = 168,089,585,252,706.09 - Step 5: Solve for x
x = 168,089,585,252,706.09/14,997,395.65 - Step 6: Final answer
x = 11,207,918.31
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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.