Finding the Fourth Proportional to 7,472,778.06, 10,312,548.03 and 4,417,276.62
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Solution
The fourth proportional to 7,472,778.06, 10,312,548.03 and 4,417,276.62 is: 6,095,909.30
Step by Step Solution
- Step 1: Write the proportion equation
7,472,778.06 : 10,312,548.03 = 4,417,276.62 : x - Step 2: Convert to fraction form
7,472,778.06/10,312,548.03 = 4,417,276.62/x - Step 3: Cross multiply
7,472,778.06x = 10,312,548.03 × 4,417,276.62 - Step 4: Simplify right side
7,472,778.06x = 45,553,377,305,546.05 - Step 5: Solve for x
x = 45,553,377,305,546.05/7,472,778.06 - Step 6: Final answer
x = 6,095,909.30
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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.