Finding the Fourth Proportional to 21,026,577.24, 31,539,655.67 and 6,649,647.48
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Solution
The fourth proportional to 21,026,577.24, 31,539,655.67 and 6,649,647.48 is: 9,974,404.75
Step by Step Solution
- Step 1: Write the proportion equation
21,026,577.24 : 31,539,655.67 = 6,649,647.48 : x - Step 2: Convert to fraction form
21,026,577.24/31,539,655.67 = 6,649,647.48/x - Step 3: Cross multiply
21,026,577.24x = 31,539,655.67 × 6,649,647.48 - Step 4: Simplify right side
21,026,577.24x = 209,727,591,846,083.25 - Step 5: Solve for x
x = 209,727,591,846,083.25/21,026,577.24 - Step 6: Final answer
x = 9,974,404.75
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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.