Finding the Fourth Proportional to 22,239,320.29, 30,690,027.57 and 12,449,844.97
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Solution
The fourth proportional to 22,239,320.29, 30,690,027.57 and 12,449,844.97 is: 17,180,654.82
Step by Step Solution
- Step 1: Write the proportion equation
22,239,320.29 : 30,690,027.57 = 12,449,844.97 : x - Step 2: Convert to fraction form
22,239,320.29/30,690,027.57 = 12,449,844.97/x - Step 3: Cross multiply
22,239,320.29x = 30,690,027.57 × 12,449,844.97 - Step 4: Simplify right side
22,239,320.29x = 382,086,085,371,525.88 - Step 5: Solve for x
x = 382,086,085,371,525.88/22,239,320.29 - Step 6: Final answer
x = 17,180,654.82
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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.