Finding the Fourth Proportional to 19,528,045.20, 29,292,067.80 and 5,344,621.20
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Solution
The fourth proportional to 19,528,045.20, 29,292,067.80 and 5,344,621.20 is: 8,016,931.80
Step by Step Solution
- Step 1: Write the proportion equation
19,528,045.20 : 29,292,067.80 = 5,344,621.20 : x - Step 2: Convert to fraction form
19,528,045.20/29,292,067.80 = 5,344,621.20/x - Step 3: Cross multiply
19,528,045.20x = 29,292,067.80 × 5,344,621.20 - Step 4: Simplify right side
19,528,045.20x = 156,555,006,555,717.38 - Step 5: Solve for x
x = 156,555,006,555,717.38/19,528,045.20 - Step 6: Final answer
x = 8,016,931.80
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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.