Finding the Fourth Proportional to 19,955,276.10, 29,932,914.15 and 7,176,197.70
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Solution
The fourth proportional to 19,955,276.10, 29,932,914.15 and 7,176,197.70 is: 10,764,296.55
Step by Step Solution
- Step 1: Write the proportion equation
19,955,276.10 : 29,932,914.15 = 7,176,197.70 : x - Step 2: Convert to fraction form
19,955,276.10/29,932,914.15 = 7,176,197.70/x - Step 3: Cross multiply
19,955,276.10x = 29,932,914.15 × 7,176,197.70 - Step 4: Simplify right side
19,955,276.10x = 214,804,509,677,527.44 - Step 5: Solve for x
x = 214,804,509,677,527.44/19,955,276.10 - Step 6: Final answer
x = 10,764,296.55
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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.