Finding the Fourth Proportional to 18,201,941.49, 27,303,013.85 and 6,071,371.47
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Solution
The fourth proportional to 18,201,941.49, 27,303,013.85 and 6,071,371.47 is: 9,107,091.10
Step by Step Solution
- Step 1: Write the proportion equation
18,201,941.49 : 27,303,013.85 = 6,071,371.47 : x - Step 2: Convert to fraction form
18,201,941.49/27,303,013.85 = 6,071,371.47/x - Step 3: Cross multiply
18,201,941.49x = 27,303,013.85 × 6,071,371.47 - Step 4: Simplify right side
18,201,941.49x = 165,766,739,303,548 - Step 5: Solve for x
x = 165,766,739,303,548/18,201,941.49 - Step 6: Final answer
x = 9,107,091.10
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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.