Finding the Fourth Proportional to 42,283,092.21, 58,358,850.54 and 27,573,220.53
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Solution
The fourth proportional to 42,283,092.21, 58,358,850.54 and 27,573,220.53 is: 38,056,380.74
Step by Step Solution
- Step 1: Write the proportion equation
42,283,092.21 : 58,358,850.54 = 27,573,220.53 : x - Step 2: Convert to fraction form
42,283,092.21/58,358,850.54 = 27,573,220.53/x - Step 3: Cross multiply
42,283,092.21x = 58,358,850.54 × 27,573,220.53 - Step 4: Simplify right side
42,283,092.21x = 1,609,141,455,816,729.75 - Step 5: Solve for x
x = 1,609,141,455,816,729.75/42,283,092.21 - Step 6: Final answer
x = 38,056,380.74
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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.