Finding the Fourth Proportional to 10,302,088.05, 14,216,169.96 and 5,718,048.57
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Solution
The fourth proportional to 10,302,088.05, 14,216,169.96 and 5,718,048.57 is: 7,890,512.09
Step by Step Solution
- Step 1: Write the proportion equation
10,302,088.05 : 14,216,169.96 = 5,718,048.57 : x - Step 2: Convert to fraction form
10,302,088.05/14,216,169.96 = 5,718,048.57/x - Step 3: Cross multiply
10,302,088.05x = 14,216,169.96 × 5,718,048.57 - Step 4: Simplify right side
10,302,088.05x = 81,288,750,310,654.97 - Step 5: Solve for x
x = 81,288,750,310,654.97/10,302,088.05 - Step 6: Final answer
x = 7,890,512.09
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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.