Finding the Fourth Proportional to 19,991,862.32, 29,987,793.48 and 4,845,794
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Solution
The fourth proportional to 19,991,862.32, 29,987,793.48 and 4,845,794 is: 7,268,691
Step by Step Solution
- Step 1: Write the proportion equation
19,991,862.32 : 29,987,793.48 = 4,845,794 : x - Step 2: Convert to fraction form
19,991,862.32/29,987,793.48 = 4,845,794/x - Step 3: Cross multiply
19,991,862.32x = 29,987,793.48 × 4,845,794 - Step 4: Simplify right side
19,991,862.32x = 145,314,669,718,623.12 - Step 5: Solve for x
x = 145,314,669,718,623.12/19,991,862.32 - Step 6: Final answer
x = 7,268,691
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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.