Finding the Fourth Proportional to 8,904,861.70, 13,357,292.55 and 6,070,509.70
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Solution
The fourth proportional to 8,904,861.70, 13,357,292.55 and 6,070,509.70 is: 9,105,764.55
Step by Step Solution
- Step 1: Write the proportion equation
8,904,861.70 : 13,357,292.55 = 6,070,509.70 : x - Step 2: Convert to fraction form
8,904,861.70/13,357,292.55 = 6,070,509.70/x - Step 3: Cross multiply
8,904,861.70x = 13,357,292.55 × 6,070,509.70 - Step 4: Simplify right side
8,904,861.70x = 81,085,573,990,512.73 - Step 5: Solve for x
x = 81,085,573,990,512.73/8,904,861.70 - Step 6: Final answer
x = 9,105,764.55
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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.