Finding the Fourth Proportional to 19,997,344, 29,989,821.12 and 7,216,192
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Solution
The fourth proportional to 19,997,344, 29,989,821.12 and 7,216,192 is: 10,822,052.53
Step by Step Solution
- Step 1: Write the proportion equation
19,997,344 : 29,989,821.12 = 7,216,192 : x - Step 2: Convert to fraction form
19,997,344/29,989,821.12 = 7,216,192/x - Step 3: Cross multiply
19,997,344x = 29,989,821.12 × 7,216,192 - Step 4: Simplify right side
19,997,344x = 216,412,307,247,575.06 - Step 5: Solve for x
x = 216,412,307,247,575.06/19,997,344 - Step 6: Final answer
x = 10,822,052.53
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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.