Finding the Fourth Proportional to 8,299,409.08, 11,453,162.28 and 4,628,329.90
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Solution
The fourth proportional to 8,299,409.08, 11,453,162.28 and 4,628,329.90 is: 6,387,082.85
Step by Step Solution
- Step 1: Write the proportion equation
8,299,409.08 : 11,453,162.28 = 4,628,329.90 : x - Step 2: Convert to fraction form
8,299,409.08/11,453,162.28 = 4,628,329.90/x - Step 3: Cross multiply
8,299,409.08x = 11,453,162.28 × 4,628,329.90 - Step 4: Simplify right side
8,299,409.08x = 53,009,013,430,076.17 - Step 5: Solve for x
x = 53,009,013,430,076.17/8,299,409.08 - Step 6: Final answer
x = 6,387,082.85
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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.