Finding the Fourth Proportional to 10,088,699.20, 15,133,048.80 and 8,317,229.20
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Solution
The fourth proportional to 10,088,699.20, 15,133,048.80 and 8,317,229.20 is: 12,475,843.80
Step by Step Solution
- Step 1: Write the proportion equation
10,088,699.20 : 15,133,048.80 = 8,317,229.20 : x - Step 2: Convert to fraction form
10,088,699.20/15,133,048.80 = 8,317,229.20/x - Step 3: Cross multiply
10,088,699.20x = 15,133,048.80 × 8,317,229.20 - Step 4: Simplify right side
10,088,699.20x = 125,865,035,364,384.97 - Step 5: Solve for x
x = 125,865,035,364,384.97/10,088,699.20 - Step 6: Final answer
x = 12,475,843.80
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Similar ratio
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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.