Finding the Fourth Proportional to 9,922,768.48, 14,862,452.21 and 7,035,383.09
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Solution
The fourth proportional to 9,922,768.48, 14,862,452.21 and 7,035,383.09 is: 10,537,688.67
Step by Step Solution
- Step 1: Write the proportion equation
9,922,768.48 : 14,862,452.21 = 7,035,383.09 : x - Step 2: Convert to fraction form
9,922,768.48/14,862,452.21 = 7,035,383.09/x - Step 3: Cross multiply
9,922,768.48x = 14,862,452.21 × 7,035,383.09 - Step 4: Simplify right side
9,922,768.48x = 104,563,044,998,482.73 - Step 5: Solve for x
x = 104,563,044,998,482.73/9,922,768.48 - Step 6: Final answer
x = 10,537,688.67
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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.