Finding the Fourth Proportional to 6,931,423.11, 9,564,721.97 and 3,833,879.81
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Solution
The fourth proportional to 6,931,423.11, 9,564,721.97 and 3,833,879.81 is: 5,290,399.08
Step by Step Solution
- Step 1: Write the proportion equation
6,931,423.11 : 9,564,721.97 = 3,833,879.81 : x - Step 2: Convert to fraction form
6,931,423.11/9,564,721.97 = 3,833,879.81/x - Step 3: Cross multiply
6,931,423.11x = 9,564,721.97 × 3,833,879.81 - Step 4: Simplify right side
6,931,423.11x = 36,669,994,487,044.07 - Step 5: Solve for x
x = 36,669,994,487,044.07/6,931,423.11 - Step 6: Final answer
x = 5,290,399.08
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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.