Finding the Fourth Proportional to 18,189,384.90, 27,267,938.68 and 6,672,202.98
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Solution
The fourth proportional to 18,189,384.90, 27,267,938.68 and 6,672,202.98 is: 10,002,384.51
Step by Step Solution
- Step 1: Write the proportion equation
18,189,384.90 : 27,267,938.68 = 6,672,202.98 : x - Step 2: Convert to fraction form
18,189,384.90/27,267,938.68 = 6,672,202.98/x - Step 3: Cross multiply
18,189,384.90x = 27,267,938.68 × 6,672,202.98 - Step 4: Simplify right side
18,189,384.90x = 181,937,221,719,153.28 - Step 5: Solve for x
x = 181,937,221,719,153.28/18,189,384.90 - Step 6: Final answer
x = 10,002,384.51
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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.