Finding the Fourth Proportional to 11,612,569.92, 16,024,438.56 and 6,455,616.96
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Solution
The fourth proportional to 11,612,569.92, 16,024,438.56 and 6,455,616.96 is: 8,908,246.67
Step by Step Solution
- Step 1: Write the proportion equation
11,612,569.92 : 16,024,438.56 = 6,455,616.96 : x - Step 2: Convert to fraction form
11,612,569.92/16,024,438.56 = 6,455,616.96/x - Step 3: Cross multiply
11,612,569.92x = 16,024,438.56 × 6,455,616.96 - Step 4: Simplify right side
11,612,569.92x = 103,447,637,342,413.98 - Step 5: Solve for x
x = 103,447,637,342,413.98/11,612,569.92 - Step 6: Final answer
x = 8,908,246.67
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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.