Finding the Fourth Proportional to 11,213,341.56, 16,805,709.36 and 5,457,441.87
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Solution
The fourth proportional to 11,213,341.56, 16,805,709.36 and 5,457,441.87 is: 8,179,201.66
Step by Step Solution
- Step 1: Write the proportion equation
11,213,341.56 : 16,805,709.36 = 5,457,441.87 : x - Step 2: Convert to fraction form
11,213,341.56/16,805,709.36 = 5,457,441.87/x - Step 3: Cross multiply
11,213,341.56x = 16,805,709.36 × 5,457,441.87 - Step 4: Simplify right side
11,213,341.56x = 91,716,181,916,314.91 - Step 5: Solve for x
x = 91,716,181,916,314.91/11,213,341.56 - Step 6: Final answer
x = 8,179,201.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.