Finding the Fourth Proportional to 37,400,459.68, 56,135,173.36 and 18,969,338.49
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Solution
The fourth proportional to 37,400,459.68, 56,135,173.36 and 18,969,338.49 is: 28,471,497.77
Step by Step Solution
- Step 1: Write the proportion equation
37,400,459.68 : 56,135,173.36 = 18,969,338.49 : x - Step 2: Convert to fraction form
37,400,459.68/56,135,173.36 = 18,969,338.49/x - Step 3: Cross multiply
37,400,459.68x = 56,135,173.36 × 18,969,338.49 - Step 4: Simplify right side
37,400,459.68x = 1,064,847,104,379,994.75 - Step 5: Solve for x
x = 1,064,847,104,379,994.75/37,400,459.68 - Step 6: Final answer
x = 28,471,497.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.