Finding the Fourth Proportional to 12,104,871.36, 18,157,151.52 and 4,021,563.84
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Solution
The fourth proportional to 12,104,871.36, 18,157,151.52 and 4,021,563.84 is: 6,032,294.09
Step by Step Solution
- Step 1: Write the proportion equation
12,104,871.36 : 18,157,151.52 = 4,021,563.84 : x - Step 2: Convert to fraction form
12,104,871.36/18,157,151.52 = 4,021,563.84/x - Step 3: Cross multiply
12,104,871.36x = 18,157,151.52 × 4,021,563.84 - Step 4: Simplify right side
12,104,871.36x = 73,020,143,990,233.03 - Step 5: Solve for x
x = 73,020,143,990,233.03/12,104,871.36 - Step 6: Final answer
x = 6,032,294.09
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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.