Finding the Fourth Proportional to 35,920,259.20, 53,887,387.20 and 14,351,190.40
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Solution
The fourth proportional to 35,920,259.20, 53,887,387.20 and 14,351,190.40 is: 21,529,581.66
Step by Step Solution
- Step 1: Write the proportion equation
35,920,259.20 : 53,887,387.20 = 14,351,190.40 : x - Step 2: Convert to fraction form
35,920,259.20/53,887,387.20 = 14,351,190.40/x - Step 3: Cross multiply
35,920,259.20x = 53,887,387.20 × 14,351,190.40 - Step 4: Simplify right side
35,920,259.20x = 773,348,153,865,723 - Step 5: Solve for x
x = 773,348,153,865,723/35,920,259.20 - Step 6: Final answer
x = 21,529,581.66
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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.