Finding the Fourth Proportional to 8,330,691.87, 12,487,838.74 and 4,868,036.98
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Solution
The fourth proportional to 8,330,691.87, 12,487,838.74 and 4,868,036.98 is: 7,297,264.34
Step by Step Solution
- Step 1: Write the proportion equation
8,330,691.87 : 12,487,838.74 = 4,868,036.98 : x - Step 2: Convert to fraction form
8,330,691.87/12,487,838.74 = 4,868,036.98/x - Step 3: Cross multiply
8,330,691.87x = 12,487,838.74 × 4,868,036.98 - Step 4: Simplify right side
8,330,691.87x = 60,791,260,743,206.92 - Step 5: Solve for x
x = 60,791,260,743,206.92/8,330,691.87 - Step 6: Final answer
x = 7,297,264.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.