Finding the Fourth Proportional to 23,446,707.09, 32,356,645.80 and 12,992,898.06
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Solution
The fourth proportional to 23,446,707.09, 32,356,645.80 and 12,992,898.06 is: 17,930,304.62
Step by Step Solution
- Step 1: Write the proportion equation
23,446,707.09 : 32,356,645.80 = 12,992,898.06 : x - Step 2: Convert to fraction form
23,446,707.09/32,356,645.80 = 12,992,898.06/x - Step 3: Cross multiply
23,446,707.09x = 32,356,645.80 × 12,992,898.06 - Step 4: Simplify right side
23,446,707.09x = 420,406,600,394,203.81 - Step 5: Solve for x
x = 420,406,600,394,203.81/23,446,707.09 - Step 6: Final answer
x = 17,930,304.62
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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.