Finding the Fourth Proportional to 11,623,966.40, 16,041,069 and 6,396,974.60
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Solution
The fourth proportional to 11,623,966.40, 16,041,069 and 6,396,974.60 is: 8,827,822.39
Step by Step Solution
- Step 1: Write the proportion equation
11,623,966.40 : 16,041,069 = 6,396,974.60 : x - Step 2: Convert to fraction form
11,623,966.40/16,041,069 = 6,396,974.60/x - Step 3: Cross multiply
11,623,966.40x = 16,041,069 × 6,396,974.60 - Step 4: Simplify right side
11,623,966.40x = 102,614,310,869,642.05 - Step 5: Solve for x
x = 102,614,310,869,642.05/11,623,966.40 - Step 6: Final answer
x = 8,827,822.39
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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.