Finding the Fourth Proportional to 13,009,035.64, 19,531,428.78 and 6,623,578.84
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Solution
The fourth proportional to 13,009,035.64, 19,531,428.78 and 6,623,578.84 is: 9,944,469.52
Step by Step Solution
- Step 1: Write the proportion equation
13,009,035.64 : 19,531,428.78 = 6,623,578.84 : x - Step 2: Convert to fraction form
13,009,035.64/19,531,428.78 = 6,623,578.84/x - Step 3: Cross multiply
13,009,035.64x = 19,531,428.78 × 6,623,578.84 - Step 4: Simplify right side
13,009,035.64x = 129,367,958,382,175.02 - Step 5: Solve for x
x = 129,367,958,382,175.02/13,009,035.64 - Step 6: Final answer
x = 9,944,469.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.