Finding the Fourth Proportional to 10,902,523.30, 16,353,784.95 and 6,640,497.70
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Solution
The fourth proportional to 10,902,523.30, 16,353,784.95 and 6,640,497.70 is: 9,960,746.55
Step by Step Solution
- Step 1: Write the proportion equation
10,902,523.30 : 16,353,784.95 = 6,640,497.70 : x - Step 2: Convert to fraction form
10,902,523.30/16,353,784.95 = 6,640,497.70/x - Step 3: Cross multiply
10,902,523.30x = 16,353,784.95 × 6,640,497.70 - Step 4: Simplify right side
10,902,523.30x = 108,597,271,346,769.61 - Step 5: Solve for x
x = 108,597,271,346,769.61/10,902,523.30 - Step 6: Final answer
x = 9,960,746.55
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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.