Finding the Fourth Proportional to 21,754,938.60, 32,632,407.90 and 6,606,901.80
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Solution
The fourth proportional to 21,754,938.60, 32,632,407.90 and 6,606,901.80 is: 9,910,352.70
Step by Step Solution
- Step 1: Write the proportion equation
21,754,938.60 : 32,632,407.90 = 6,606,901.80 : x - Step 2: Convert to fraction form
21,754,938.60/32,632,407.90 = 6,606,901.80/x - Step 3: Cross multiply
21,754,938.60x = 32,632,407.90 × 6,606,901.80 - Step 4: Simplify right side
21,754,938.60x = 215,599,114,492,844.22 - Step 5: Solve for x
x = 215,599,114,492,844.22/21,754,938.60 - Step 6: Final answer
x = 9,910,352.70
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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.