Finding the Fourth Proportional to 38,852,220.40, 58,278,330.60 and 11,922,377.20
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Solution
The fourth proportional to 38,852,220.40, 58,278,330.60 and 11,922,377.20 is: 17,883,565.80
Step by Step Solution
- Step 1: Write the proportion equation
38,852,220.40 : 58,278,330.60 = 11,922,377.20 : x - Step 2: Convert to fraction form
38,852,220.40/58,278,330.60 = 11,922,377.20/x - Step 3: Cross multiply
38,852,220.40x = 58,278,330.60 × 11,922,377.20 - Step 4: Simplify right side
38,852,220.40x = 694,816,239,999,502.25 - Step 5: Solve for x
x = 694,816,239,999,502.25/38,852,220.40 - Step 6: Final answer
x = 17,883,565.80
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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.