Finding the Fourth Proportional to 12,163,810.98, 16,696,644.60 and 10,756,316.10
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Solution
The fourth proportional to 12,163,810.98, 16,696,644.60 and 10,756,316.10 is: 14,764,647.97
Step by Step Solution
- Step 1: Write the proportion equation
12,163,810.98 : 16,696,644.60 = 10,756,316.10 : x - Step 2: Convert to fraction form
12,163,810.98/16,696,644.60 = 10,756,316.10/x - Step 3: Cross multiply
12,163,810.98x = 16,696,644.60 × 10,756,316.10 - Step 4: Simplify right side
12,163,810.98x = 179,594,387,126,958.06 - Step 5: Solve for x
x = 179,594,387,126,958.06/12,163,810.98 - Step 6: Final answer
x = 14,764,647.97
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.