Finding the Fourth Proportional to 14,771,700.69, 20,388,348.09 and 8,662,097.49
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Solution
The fourth proportional to 14,771,700.69, 20,388,348.09 and 8,662,097.49 is: 11,955,688.96
Step by Step Solution
- Step 1: Write the proportion equation
14,771,700.69 : 20,388,348.09 = 8,662,097.49 : x - Step 2: Convert to fraction form
14,771,700.69/20,388,348.09 = 8,662,097.49/x - Step 3: Cross multiply
14,771,700.69x = 20,388,348.09 × 8,662,097.49 - Step 4: Simplify right side
14,771,700.69x = 176,605,858,815,635.31 - Step 5: Solve for x
x = 176,605,858,815,635.31/14,771,700.69 - Step 6: Final answer
x = 11,955,688.96
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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.