Finding the Fourth Proportional to 19,143,417.46, 28,691,178.26 and 9,561,470.62
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Solution
The fourth proportional to 19,143,417.46, 28,691,178.26 and 9,561,470.62 is: 14,330,244.77
Step by Step Solution
- Step 1: Write the proportion equation
19,143,417.46 : 28,691,178.26 = 9,561,470.62 : x - Step 2: Convert to fraction form
19,143,417.46/28,691,178.26 = 9,561,470.62/x - Step 3: Cross multiply
19,143,417.46x = 28,691,178.26 × 9,561,470.62 - Step 4: Simplify right side
19,143,417.46x = 274,329,857,986,172.72 - Step 5: Solve for x
x = 274,329,857,986,172.72/19,143,417.46 - Step 6: Final answer
x = 14,330,244.77
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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.