Finding the Fourth Proportional to 19,997,118.12, 27,598,267.17 and 11,295,851.07
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Solution
The fourth proportional to 19,997,118.12, 27,598,267.17 and 11,295,851.07 is: 15,589,542.15
Step by Step Solution
- Step 1: Write the proportion equation
19,997,118.12 : 27,598,267.17 = 11,295,851.07 : x - Step 2: Convert to fraction form
19,997,118.12/27,598,267.17 = 11,295,851.07/x - Step 3: Cross multiply
19,997,118.12x = 27,598,267.17 × 11,295,851.07 - Step 4: Simplify right side
19,997,118.12x = 311,745,915,742,390.38 - Step 5: Solve for x
x = 311,745,915,742,390.38/19,997,118.12 - Step 6: Final answer
x = 15,589,542.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.