Finding the Fourth Proportional to 14,342,873.14, 19,792,587.34 and 7,816,362.48
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Solution
The fourth proportional to 14,342,873.14, 19,792,587.34 and 7,816,362.48 is: 10,786,265.45
Step by Step Solution
- Step 1: Write the proportion equation
14,342,873.14 : 19,792,587.34 = 7,816,362.48 : x - Step 2: Convert to fraction form
14,342,873.14/19,792,587.34 = 7,816,362.48/x - Step 3: Cross multiply
14,342,873.14x = 19,792,587.34 × 7,816,362.48 - Step 4: Simplify right side
14,342,873.14x = 154,706,037,076,269.47 - Step 5: Solve for x
x = 154,706,037,076,269.47/14,342,873.14 - Step 6: Final answer
x = 10,786,265.45
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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.