Finding the Fourth Proportional to 22,233,789.20, 30,675,634.80 and 12,442,677.68
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Solution
The fourth proportional to 22,233,789.20, 30,675,634.80 and 12,442,677.68 is: 17,166,980.99
Step by Step Solution
- Step 1: Write the proportion equation
22,233,789.20 : 30,675,634.80 = 12,442,677.68 : x - Step 2: Convert to fraction form
22,233,789.20/30,675,634.80 = 12,442,677.68/x - Step 3: Cross multiply
22,233,789.20x = 30,675,634.80 × 12,442,677.68 - Step 4: Simplify right side
22,233,789.20x = 381,687,036,445,791.25 - Step 5: Solve for x
x = 381,687,036,445,791.25/22,233,789.20 - Step 6: Final answer
x = 17,166,980.99
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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.