Finding the Fourth Proportional to 21,334,508.68, 29,441,699.52 and 11,544,951.84
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Solution
The fourth proportional to 21,334,508.68, 29,441,699.52 and 11,544,951.84 is: 15,932,075.50
Step by Step Solution
- Step 1: Write the proportion equation
21,334,508.68 : 29,441,699.52 = 11,544,951.84 : x - Step 2: Convert to fraction form
21,334,508.68/29,441,699.52 = 11,544,951.84/x - Step 3: Cross multiply
21,334,508.68x = 29,441,699.52 × 11,544,951.84 - Step 4: Simplify right side
21,334,508.68x = 339,903,003,046,151.12 - Step 5: Solve for x
x = 339,903,003,046,151.12/21,334,508.68 - Step 6: Final answer
x = 15,932,075.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.