Finding the Fourth Proportional to 21,481,625.60, 32,194,444.80 and 8,691,660.80
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Solution
The fourth proportional to 21,481,625.60, 32,194,444.80 and 8,691,660.80 is: 13,026,164.74
Step by Step Solution
- Step 1: Write the proportion equation
21,481,625.60 : 32,194,444.80 = 8,691,660.80 : x - Step 2: Convert to fraction form
21,481,625.60/32,194,444.80 = 8,691,660.80/x - Step 3: Cross multiply
21,481,625.60x = 32,194,444.80 × 8,691,660.80 - Step 4: Simplify right side
21,481,625.60x = 279,823,193,845,923.88 - Step 5: Solve for x
x = 279,823,193,845,923.88/21,481,625.60 - Step 6: Final answer
x = 13,026,164.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.