Finding the Fourth Proportional to 36,749,986.54, 55,133,284.62 and 12,157,855.51
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Solution
The fourth proportional to 36,749,986.54, 55,133,284.62 and 12,157,855.51 is: 18,239,530.71
Step by Step Solution
- Step 1: Write the proportion equation
36,749,986.54 : 55,133,284.62 = 12,157,855.51 : x - Step 2: Convert to fraction form
36,749,986.54/55,133,284.62 = 12,157,855.51/x - Step 3: Cross multiply
36,749,986.54x = 55,133,284.62 × 12,157,855.51 - Step 4: Simplify right side
36,749,986.54x = 670,302,507,925,998.88 - Step 5: Solve for x
x = 670,302,507,925,998.88/36,749,986.54 - Step 6: Final answer
x = 18,239,530.71
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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.