Finding the Fourth Proportional to 49,920,572.10, 68,889,067.87 and 27,894,252.50
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Solution
The fourth proportional to 49,920,572.10, 68,889,067.87 and 27,894,252.50 is: 38,493,329.96
Step by Step Solution
- Step 1: Write the proportion equation
49,920,572.10 : 68,889,067.87 = 27,894,252.50 : x - Step 2: Convert to fraction form
49,920,572.10/68,889,067.87 = 27,894,252.50/x - Step 3: Cross multiply
49,920,572.10x = 68,889,067.87 × 27,894,252.50 - Step 4: Simplify right side
49,920,572.10x = 1,921,609,053,655,417.25 - Step 5: Solve for x
x = 1,921,609,053,655,417.25/49,920,572.10 - Step 6: Final answer
x = 38,493,329.96
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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.