Finding the Fourth Proportional to 20,152,252.23, 27,801,350.55 and 12,806,152.08
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Solution
The fourth proportional to 20,152,252.23, 27,801,350.55 and 12,806,152.08 is: 17,666,924.72
Step by Step Solution
- Step 1: Write the proportion equation
20,152,252.23 : 27,801,350.55 = 12,806,152.08 : x - Step 2: Convert to fraction form
20,152,252.23/27,801,350.55 = 12,806,152.08/x - Step 3: Cross multiply
20,152,252.23x = 27,801,350.55 × 12,806,152.08 - Step 4: Simplify right side
20,152,252.23x = 356,028,323,172,691.62 - Step 5: Solve for x
x = 356,028,323,172,691.62/20,152,252.23 - Step 6: Final answer
x = 17,666,924.72
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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.