Finding the Fourth Proportional to 8,530,656.79, 11,772,307.26 and 4,663,193.95
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Solution
The fourth proportional to 8,530,656.79, 11,772,307.26 and 4,663,193.95 is: 6,435,208.14
Step by Step Solution
- Step 1: Write the proportion equation
8,530,656.79 : 11,772,307.26 = 4,663,193.95 : x - Step 2: Convert to fraction form
8,530,656.79/11,772,307.26 = 4,663,193.95/x - Step 3: Cross multiply
8,530,656.79x = 11,772,307.26 × 4,663,193.95 - Step 4: Simplify right side
8,530,656.79x = 54,896,551,992,373.08 - Step 5: Solve for x
x = 54,896,551,992,373.08/8,530,656.79 - Step 6: Final answer
x = 6,435,208.14
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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.