Finding the Fourth Proportional to 15,068,344.80, 20,794,070.88 and 8,193,000
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Solution
The fourth proportional to 15,068,344.80, 20,794,070.88 and 8,193,000 is: 11,306,206.82
Step by Step Solution
- Step 1: Write the proportion equation
15,068,344.80 : 20,794,070.88 = 8,193,000 : x - Step 2: Convert to fraction form
15,068,344.80/20,794,070.88 = 8,193,000/x - Step 3: Cross multiply
15,068,344.80x = 20,794,070.88 × 8,193,000 - Step 4: Simplify right side
15,068,344.80x = 170,365,822,719,840 - Step 5: Solve for x
x = 170,365,822,719,840/15,068,344.80 - Step 6: Final answer
x = 11,306,206.82
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1.5x scale
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.