Finding the Fourth Proportional to 16,117,645.68, 22,243,918.68 and 12,036,178.80
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Solution
The fourth proportional to 16,117,645.68, 22,243,918.68 and 12,036,178.80 is: 16,611,097.41
Step by Step Solution
- Step 1: Write the proportion equation
16,117,645.68 : 22,243,918.68 = 12,036,178.80 : x - Step 2: Convert to fraction form
16,117,645.68/22,243,918.68 = 12,036,178.80/x - Step 3: Cross multiply
16,117,645.68x = 22,243,918.68 × 12,036,178.80 - Step 4: Simplify right side
16,117,645.68x = 267,731,782,445,140 - Step 5: Solve for x
x = 267,731,782,445,140/16,117,645.68 - Step 6: Final answer
x = 16,611,097.41
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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.