Finding the Fourth Proportional to 42,591,943.12, 63,898,687.68 and 11,886,517.12
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Solution
The fourth proportional to 42,591,943.12, 63,898,687.68 and 11,886,517.12 is: 17,832,782.20
Step by Step Solution
- Step 1: Write the proportion equation
42,591,943.12 : 63,898,687.68 = 11,886,517.12 : x - Step 2: Convert to fraction form
42,591,943.12/63,898,687.68 = 11,886,517.12/x - Step 3: Cross multiply
42,591,943.12x = 63,898,687.68 × 11,886,517.12 - Step 4: Simplify right side
42,591,943.12x = 759,532,845,053,853 - Step 5: Solve for x
x = 759,532,845,053,853/42,591,943.12 - Step 6: Final answer
x = 17,832,782.20
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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.