Finding the Fourth Proportional to 11,628,495.60, 16,047,163.98 and 6,471,856.32
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Solution
The fourth proportional to 11,628,495.60, 16,047,163.98 and 6,471,856.32 is: 8,931,072.70
Step by Step Solution
- Step 1: Write the proportion equation
11,628,495.60 : 16,047,163.98 = 6,471,856.32 : x - Step 2: Convert to fraction form
11,628,495.60/16,047,163.98 = 6,471,856.32/x - Step 3: Cross multiply
11,628,495.60x = 16,047,163.98 × 6,471,856.32 - Step 4: Simplify right side
11,628,495.60x = 103,854,939,622,039.36 - Step 5: Solve for x
x = 103,854,939,622,039.36/11,628,495.60 - Step 6: Final answer
x = 8,931,072.70
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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.