Finding the Fourth Proportional to 8,356,889.41, 11,528,263.07 and 5,457,977.17
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Solution
The fourth proportional to 8,356,889.41, 11,528,263.07 and 5,457,977.17 is: 7,529,236.48
Step by Step Solution
- Step 1: Write the proportion equation
8,356,889.41 : 11,528,263.07 = 5,457,977.17 : x - Step 2: Convert to fraction form
8,356,889.41/11,528,263.07 = 5,457,977.17/x - Step 3: Cross multiply
8,356,889.41x = 11,528,263.07 × 5,457,977.17 - Step 4: Simplify right side
8,356,889.41x = 62,920,996,645,814.11 - Step 5: Solve for x
x = 62,920,996,645,814.11/8,356,889.41 - Step 6: Final answer
x = 7,529,236.48
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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.