Finding the Fourth Proportional to 14,355,699.68, 19,807,459.56 and 8,160,260.15
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Solution
The fourth proportional to 14,355,699.68, 19,807,459.56 and 8,160,260.15 is: 11,259,222.92
Step by Step Solution
- Step 1: Write the proportion equation
14,355,699.68 : 19,807,459.56 = 8,160,260.15 : x - Step 2: Convert to fraction form
14,355,699.68/19,807,459.56 = 8,160,260.15/x - Step 3: Cross multiply
14,355,699.68x = 19,807,459.56 × 8,160,260.15 - Step 4: Simplify right side
14,355,699.68x = 161,634,022,821,167.22 - Step 5: Solve for x
x = 161,634,022,821,167.22/14,355,699.68 - Step 6: Final answer
x = 11,259,222.92
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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.