Finding the Fourth Proportional to 21,635,625.88, 32,448,125.22 and 7,258,372.12
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Solution
The fourth proportional to 21,635,625.88, 32,448,125.22 and 7,258,372.12 is: 10,885,775.56
Step by Step Solution
- Step 1: Write the proportion equation
21,635,625.88 : 32,448,125.22 = 7,258,372.12 : x - Step 2: Convert to fraction form
21,635,625.88/32,448,125.22 = 7,258,372.12/x - Step 3: Cross multiply
21,635,625.88x = 32,448,125.22 × 7,258,372.12 - Step 4: Simplify right side
21,635,625.88x = 235,520,567,443,116.88 - Step 5: Solve for x
x = 235,520,567,443,116.88/21,635,625.88 - Step 6: Final answer
x = 10,885,775.56
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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.