Finding the Fourth Proportional to 6,864,101.40, 10,296,152.10 and 6,276,235.80
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Solution
The fourth proportional to 6,864,101.40, 10,296,152.10 and 6,276,235.80 is: 9,414,353.70
Step by Step Solution
- Step 1: Write the proportion equation
6,864,101.40 : 10,296,152.10 = 6,276,235.80 : x - Step 2: Convert to fraction form
6,864,101.40/10,296,152.10 = 6,276,235.80/x - Step 3: Cross multiply
6,864,101.40x = 10,296,152.10 × 6,276,235.80 - Step 4: Simplify right side
6,864,101.40x = 64,621,078,412,265.17 - Step 5: Solve for x
x = 64,621,078,412,265.17/6,864,101.40 - Step 6: Final answer
x = 9,414,353.70
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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.