Finding the Fourth Proportional to 18,291,567.40, 27,437,351.10 and 6,156,997.90
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Solution
The fourth proportional to 18,291,567.40, 27,437,351.10 and 6,156,997.90 is: 9,235,496.85
Step by Step Solution
- Step 1: Write the proportion equation
18,291,567.40 : 27,437,351.10 = 6,156,997.90 : x - Step 2: Convert to fraction form
18,291,567.40/27,437,351.10 = 6,156,997.90/x - Step 3: Cross multiply
18,291,567.40x = 27,437,351.10 × 6,156,997.90 - Step 4: Simplify right side
18,291,567.40x = 168,931,713,104,262.72 - Step 5: Solve for x
x = 168,931,713,104,262.72/18,291,567.40 - Step 6: Final answer
x = 9,235,496.85
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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.