Finding the Fourth Proportional to 18,291,101.91, 27,447,281.73 and 8,193,722.91
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Solution
The fourth proportional to 18,291,101.91, 27,447,281.73 and 8,193,722.91 is: 12,295,345.69
Step by Step Solution
- Step 1: Write the proportion equation
18,291,101.91 : 27,447,281.73 = 8,193,722.91 : x - Step 2: Convert to fraction form
18,291,101.91/27,447,281.73 = 8,193,722.91/x - Step 3: Cross multiply
18,291,101.91x = 27,447,281.73 × 8,193,722.91 - Step 4: Simplify right side
18,291,101.91x = 224,895,421,025,398.12 - Step 5: Solve for x
x = 224,895,421,025,398.12/18,291,101.91 - Step 6: Final answer
x = 12,295,345.69
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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.