Finding the Fourth Proportional to 14,121,562.21, 21,174,112.26 and 5,475,561.53
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Solution
The fourth proportional to 14,121,562.21, 21,174,112.26 and 5,475,561.53 is: 8,210,150.74
Step by Step Solution
- Step 1: Write the proportion equation
14,121,562.21 : 21,174,112.26 = 5,475,561.53 : x - Step 2: Convert to fraction form
14,121,562.21/21,174,112.26 = 5,475,561.53/x - Step 3: Cross multiply
14,121,562.21x = 21,174,112.26 × 5,475,561.53 - Step 4: Simplify right side
14,121,562.21x = 115,940,154,416,886.81 - Step 5: Solve for x
x = 115,940,154,416,886.81/14,121,562.21 - Step 6: Final answer
x = 8,210,150.74
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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.