Finding the Fourth Proportional to 21,116,181.24, 31,662,699.48 and 6,539,053.98
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Solution
The fourth proportional to 21,116,181.24, 31,662,699.48 and 6,539,053.98 is: 9,804,997.35
Step by Step Solution
- Step 1: Write the proportion equation
21,116,181.24 : 31,662,699.48 = 6,539,053.98 : x - Step 2: Convert to fraction form
21,116,181.24/31,662,699.48 = 6,539,053.98/x - Step 3: Cross multiply
21,116,181.24x = 31,662,699.48 × 6,539,053.98 - Step 4: Simplify right side
21,116,181.24x = 207,044,101,052,237.94 - Step 5: Solve for x
x = 207,044,101,052,237.94/21,116,181.24 - Step 6: Final answer
x = 9,804,997.35
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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.