Finding the Fourth Proportional to 14,607,778.16, 20,156,980.97 and 8,414,850.26
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Solution
The fourth proportional to 14,607,778.16, 20,156,980.97 and 8,414,850.26 is: 11,611,483.60
Step by Step Solution
- Step 1: Write the proportion equation
14,607,778.16 : 20,156,980.97 = 8,414,850.26 : x - Step 2: Convert to fraction form
14,607,778.16/20,156,980.97 = 8,414,850.26/x - Step 3: Cross multiply
14,607,778.16x = 20,156,980.97 × 8,414,850.26 - Step 4: Simplify right side
14,607,778.16x = 169,617,976,627,649.12 - Step 5: Solve for x
x = 169,617,976,627,649.12/14,607,778.16 - Step 6: Final answer
x = 11,611,483.60
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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.