Finding the Fourth Proportional to 12,122,214.09, 16,729,046.87 and 6,895,087.93
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Solution
The fourth proportional to 12,122,214.09, 16,729,046.87 and 6,895,087.93 is: 9,515,443.99
Step by Step Solution
- Step 1: Write the proportion equation
12,122,214.09 : 16,729,046.87 = 6,895,087.93 : x - Step 2: Convert to fraction form
12,122,214.09/16,729,046.87 = 6,895,087.93/x - Step 3: Cross multiply
12,122,214.09x = 16,729,046.87 × 6,895,087.93 - Step 4: Simplify right side
12,122,214.09x = 115,348,249,153,741.27 - Step 5: Solve for x
x = 115,348,249,153,741.27/12,122,214.09 - Step 6: Final answer
x = 9,515,443.99
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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.