Finding the Fourth Proportional to 38,064,123.68, 52,528,543.84 and 20,660,472.56
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Solution
The fourth proportional to 38,064,123.68, 52,528,543.84 and 20,660,472.56 is: 28,511,480.99
Step by Step Solution
- Step 1: Write the proportion equation
38,064,123.68 : 52,528,543.84 = 20,660,472.56 : x - Step 2: Convert to fraction form
38,064,123.68/52,528,543.84 = 20,660,472.56/x - Step 3: Cross multiply
38,064,123.68x = 52,528,543.84 × 20,660,472.56 - Step 4: Simplify right side
38,064,123.68x = 1,085,264,538,623,077 - Step 5: Solve for x
x = 1,085,264,538,623,077/38,064,123.68 - Step 6: Final answer
x = 28,511,480.99
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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.