Finding the Fourth Proportional to 21,192,248.10, 31,717,513.35 and 14,814,956.10
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Solution
The fourth proportional to 21,192,248.10, 31,717,513.35 and 14,814,956.10 is: 22,172,898.58
Step by Step Solution
- Step 1: Write the proportion equation
21,192,248.10 : 31,717,513.35 = 14,814,956.10 : x - Step 2: Convert to fraction form
21,192,248.10/31,717,513.35 = 14,814,956.10/x - Step 3: Cross multiply
21,192,248.10x = 31,717,513.35 × 14,814,956.10 - Step 4: Simplify right side
21,192,248.10x = 469,893,567,881,413.94 - Step 5: Solve for x
x = 469,893,567,881,413.94/21,192,248.10 - Step 6: Final answer
x = 22,172,898.58
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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.