Finding the Fourth Proportional to 38,064,045.88, 52,528,436.48 and 20,660,394.68
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Solution
The fourth proportional to 38,064,045.88, 52,528,436.48 and 20,660,394.68 is: 28,511,373.52
Step by Step Solution
- Step 1: Write the proportion equation
38,064,045.88 : 52,528,436.48 = 20,660,394.68 : x - Step 2: Convert to fraction form
38,064,045.88/52,528,436.48 = 20,660,394.68/x - Step 3: Cross multiply
38,064,045.88x = 52,528,436.48 × 20,660,394.68 - Step 4: Simplify right side
38,064,045.88x = 1,085,258,229,600,109.88 - Step 5: Solve for x
x = 1,085,258,229,600,109.88/38,064,045.88 - Step 6: Final answer
x = 28,511,373.52
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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.