Finding the Fourth Proportional to 29,581,640.80, 44,438,816.40 and 28,453,602.40
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Solution
The fourth proportional to 29,581,640.80, 44,438,816.40 and 28,453,602.40 is: 42,744,228.47
Step by Step Solution
- Step 1: Write the proportion equation
29,581,640.80 : 44,438,816.40 = 28,453,602.40 : x - Step 2: Convert to fraction form
29,581,640.80/44,438,816.40 = 28,453,602.40/x - Step 3: Cross multiply
29,581,640.80x = 44,438,816.40 × 28,453,602.40 - Step 4: Simplify right side
29,581,640.80x = 1,264,444,412,972,199.25 - Step 5: Solve for x
x = 1,264,444,412,972,199.25/29,581,640.80 - Step 6: Final answer
x = 42,744,228.47
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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.