Finding the Fourth Proportional to 33,226,656.80, 49,786,330.80 and 18,806,842.40
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Solution
The fourth proportional to 33,226,656.80, 49,786,330.80 and 18,806,842.40 is: 28,179,894.31
Step by Step Solution
- Step 1: Write the proportion equation
33,226,656.80 : 49,786,330.80 = 18,806,842.40 : x - Step 2: Convert to fraction form
33,226,656.80/49,786,330.80 = 18,806,842.40/x - Step 3: Cross multiply
33,226,656.80x = 49,786,330.80 × 18,806,842.40 - Step 4: Simplify right side
33,226,656.80x = 936,323,677,029,865.75 - Step 5: Solve for x
x = 936,323,677,029,865.75/33,226,656.80 - Step 6: Final answer
x = 28,179,894.31
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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.