Finding the Fourth Proportional to 19,957,247.08, 27,539,351.42 and 11,257,557.91
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Solution
The fourth proportional to 19,957,247.08, 27,539,351.42 and 11,257,557.91 is: 15,534,499.43
Step by Step Solution
- Step 1: Write the proportion equation
19,957,247.08 : 27,539,351.42 = 11,257,557.91 : x - Step 2: Convert to fraction form
19,957,247.08/27,539,351.42 = 11,257,557.91/x - Step 3: Cross multiply
19,957,247.08x = 27,539,351.42 × 11,257,557.91 - Step 4: Simplify right side
19,957,247.08x = 310,025,843,289,354.56 - Step 5: Solve for x
x = 310,025,843,289,354.56/19,957,247.08 - Step 6: Final answer
x = 15,534,499.43
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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.