Finding the Fourth Proportional to 14,997,223.34, 20,696,136.63 and 8,121,684.14
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Solution
The fourth proportional to 14,997,223.34, 20,696,136.63 and 8,121,684.14 is: 11,207,907.01
Step by Step Solution
- Step 1: Write the proportion equation
14,997,223.34 : 20,696,136.63 = 8,121,684.14 : x - Step 2: Convert to fraction form
14,997,223.34/20,696,136.63 = 8,121,684.14/x - Step 3: Cross multiply
14,997,223.34x = 20,696,136.63 × 8,121,684.14 - Step 4: Simplify right side
14,997,223.34x = 168,087,484,627,144.03 - Step 5: Solve for x
x = 168,087,484,627,144.03/14,997,223.34 - Step 6: Final answer
x = 11,207,907.01
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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.