Finding the Fourth Proportional to 18,939,504.95, 26,136,524.56 and 10,237,677.53
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Solution
The fourth proportional to 18,939,504.95, 26,136,524.56 and 10,237,677.53 is: 14,127,999.17
Step by Step Solution
- Step 1: Write the proportion equation
18,939,504.95 : 26,136,524.56 = 10,237,677.53 : x - Step 2: Convert to fraction form
18,939,504.95/26,136,524.56 = 10,237,677.53/x - Step 3: Cross multiply
18,939,504.95x = 26,136,524.56 × 10,237,677.53 - Step 4: Simplify right side
18,939,504.95x = 267,577,310,069,522.50 - Step 5: Solve for x
x = 267,577,310,069,522.50/18,939,504.95 - Step 6: Final answer
x = 14,127,999.17
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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.