Finding the Fourth Proportional to 14,342,527.12, 19,792,184.70 and 7,816,023.40
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Solution
The fourth proportional to 14,342,527.12, 19,792,184.70 and 7,816,023.40 is: 10,785,838.33
Step by Step Solution
- Step 1: Write the proportion equation
14,342,527.12 : 19,792,184.70 = 7,816,023.40 : x - Step 2: Convert to fraction form
14,342,527.12/19,792,184.70 = 7,816,023.40/x - Step 3: Cross multiply
14,342,527.12x = 19,792,184.70 × 7,816,023.40 - Step 4: Simplify right side
14,342,527.12x = 154,696,178,702,841.50 - Step 5: Solve for x
x = 154,696,178,702,841.50/14,342,527.12 - Step 6: Final answer
x = 10,785,838.33
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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.