Finding the Fourth Proportional to 19,573,320.79, 29,385,640.64 and 13,125,248.94
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Solution
The fourth proportional to 19,573,320.79, 29,385,640.64 and 13,125,248.94 is: 19,705,079.83
Step by Step Solution
- Step 1: Write the proportion equation
19,573,320.79 : 29,385,640.64 = 13,125,248.94 : x - Step 2: Convert to fraction form
19,573,320.79/29,385,640.64 = 13,125,248.94/x - Step 3: Cross multiply
19,573,320.79x = 29,385,640.64 × 13,125,248.94 - Step 4: Simplify right side
19,573,320.79x = 385,693,848,661,380.94 - Step 5: Solve for x
x = 385,693,848,661,380.94/19,573,320.79 - Step 6: Final answer
x = 19,705,079.83
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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.