Finding the Fourth Proportional to 8,168,297.70, 12,251,134.35 and 2,487,200.70
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Solution
The fourth proportional to 8,168,297.70, 12,251,134.35 and 2,487,200.70 is: 3,730,401.49
Step by Step Solution
- Step 1: Write the proportion equation
8,168,297.70 : 12,251,134.35 = 2,487,200.70 : x - Step 2: Convert to fraction form
8,168,297.70/12,251,134.35 = 2,487,200.70/x - Step 3: Cross multiply
8,168,297.70x = 12,251,134.35 × 2,487,200.70 - Step 4: Simplify right side
8,168,297.70x = 30,471,029,931,114.05 - Step 5: Solve for x
x = 30,471,029,931,114.05/8,168,297.70 - Step 6: Final answer
x = 3,730,401.49
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1.5x scale
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.