Finding the Fourth Proportional to 10,935,961.80, 16,403,942.70 and 6,684,433.80
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Solution
The fourth proportional to 10,935,961.80, 16,403,942.70 and 6,684,433.80 is: 10,026,650.70
Step by Step Solution
- Step 1: Write the proportion equation
10,935,961.80 : 16,403,942.70 = 6,684,433.80 : x - Step 2: Convert to fraction form
10,935,961.80/16,403,942.70 = 6,684,433.80/x - Step 3: Cross multiply
10,935,961.80x = 16,403,942.70 × 6,684,433.80 - Step 4: Simplify right side
10,935,961.80x = 109,651,069,037,143.25 - Step 5: Solve for x
x = 109,651,069,037,143.25/10,935,961.80 - Step 6: Final answer
x = 10,026,650.70
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1.5x scale
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.