Finding the Fourth Proportional to 22,205,424.80, 33,364,124.40 and 14,122,272.80
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Solution
The fourth proportional to 22,205,424.80, 33,364,124.40 and 14,122,272.80 is: 21,219,016.11
Step by Step Solution
- Step 1: Write the proportion equation
22,205,424.80 : 33,364,124.40 = 14,122,272.80 : x - Step 2: Convert to fraction form
22,205,424.80/33,364,124.40 = 14,122,272.80/x - Step 3: Cross multiply
22,205,424.80x = 33,364,124.40 × 14,122,272.80 - Step 4: Simplify right side
22,205,424.80x = 471,177,266,509,936.31 - Step 5: Solve for x
x = 471,177,266,509,936.31/22,205,424.80 - Step 6: Final answer
x = 21,219,016.11
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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.