Finding the Fourth Proportional to 20,024,553.22, 29,987,839.95 and 18,083,664.34
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Solution
The fourth proportional to 20,024,553.22, 29,987,839.95 and 18,083,664.34 is: 27,081,255.00
Step by Step Solution
- Step 1: Write the proportion equation
20,024,553.22 : 29,987,839.95 = 18,083,664.34 : x - Step 2: Convert to fraction form
20,024,553.22/29,987,839.95 = 18,083,664.34/x - Step 3: Cross multiply
20,024,553.22x = 29,987,839.95 × 18,083,664.34 - Step 4: Simplify right side
20,024,553.22x = 542,290,031,937,442.38 - Step 5: Solve for x
x = 542,290,031,937,442.38/20,024,553.22 - Step 6: Final answer
x = 27,081,255.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.