Finding the Fourth Proportional to 15,966,368.80, 22,033,597.92 and 8,624,201.92
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Solution
The fourth proportional to 15,966,368.80, 22,033,597.92 and 8,624,201.92 is: 11,901,403.50
Step by Step Solution
- Step 1: Write the proportion equation
15,966,368.80 : 22,033,597.92 = 8,624,201.92 : x - Step 2: Convert to fraction form
15,966,368.80/22,033,597.92 = 8,624,201.92/x - Step 3: Cross multiply
15,966,368.80x = 22,033,597.92 × 8,624,201.92 - Step 4: Simplify right side
15,966,368.80x = 190,022,197,486,172.03 - Step 5: Solve for x
x = 190,022,197,486,172.03/15,966,368.80 - Step 6: Final answer
x = 11,901,403.50
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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.