Finding the Fourth Proportional to 15,226,067.63, 21,013,302.15 and 8,351,878.29
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Solution
The fourth proportional to 15,226,067.63, 21,013,302.15 and 8,351,878.29 is: 11,526,320.94
Step by Step Solution
- Step 1: Write the proportion equation
15,226,067.63 : 21,013,302.15 = 8,351,878.29 : x - Step 2: Convert to fraction form
15,226,067.63/21,013,302.15 = 8,351,878.29/x - Step 3: Cross multiply
15,226,067.63x = 21,013,302.15 × 8,351,878.29 - Step 4: Simplify right side
15,226,067.63x = 175,500,542,067,195.25 - Step 5: Solve for x
x = 175,500,542,067,195.25/15,226,067.63 - Step 6: Final answer
x = 11,526,320.94
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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.