Finding the Fourth Proportional to 14,192,302.79, 19,585,385.68 and 7,665,932.18
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Solution
The fourth proportional to 14,192,302.79, 19,585,385.68 and 7,665,932.18 is: 10,578,990.64
Step by Step Solution
- Step 1: Write the proportion equation
14,192,302.79 : 19,585,385.68 = 7,665,932.18 : x - Step 2: Convert to fraction form
14,192,302.79/19,585,385.68 = 7,665,932.18/x - Step 3: Cross multiply
14,192,302.79x = 19,585,385.68 × 7,665,932.18 - Step 4: Simplify right side
14,192,302.79x = 150,140,238,342,023.19 - Step 5: Solve for x
x = 150,140,238,342,023.19/14,192,302.79 - Step 6: Final answer
x = 10,578,990.64
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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.