Finding the Fourth Proportional to 19,860,445.35, 27,419,642.15 and 15,747,092.01
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Solution
The fourth proportional to 19,860,445.35, 27,419,642.15 and 15,747,092.01 is: 21,740,682.05
Step by Step Solution
- Step 1: Write the proportion equation
19,860,445.35 : 27,419,642.15 = 15,747,092.01 : x - Step 2: Convert to fraction form
19,860,445.35/27,419,642.15 = 15,747,092.01/x - Step 3: Cross multiply
19,860,445.35x = 27,419,642.15 × 15,747,092.01 - Step 4: Simplify right side
19,860,445.35x = 431,779,627,817,324.19 - Step 5: Solve for x
x = 431,779,627,817,324.19/19,860,445.35 - Step 6: Final answer
x = 21,740,682.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.