Finding the Fourth Proportional to 11,231,058.16, 15,498,862.68 and 6,337,318.96
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Solution
The fourth proportional to 11,231,058.16, 15,498,862.68 and 6,337,318.96 is: 8,745,501.53
Step by Step Solution
- Step 1: Write the proportion equation
11,231,058.16 : 15,498,862.68 = 6,337,318.96 : x - Step 2: Convert to fraction form
11,231,058.16/15,498,862.68 = 6,337,318.96/x - Step 3: Cross multiply
11,231,058.16x = 15,498,862.68 × 6,337,318.96 - Step 4: Simplify right side
11,231,058.16x = 98,221,236,320,400.41 - Step 5: Solve for x
x = 98,221,236,320,400.41/11,231,058.16 - Step 6: Final answer
x = 8,745,501.53
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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.