Finding the Fourth Proportional to 16,284,795.20, 24,427,192.80 and 15,911,547.20
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Solution
The fourth proportional to 16,284,795.20, 24,427,192.80 and 15,911,547.20 is: 23,867,320.80
Step by Step Solution
- Step 1: Write the proportion equation
16,284,795.20 : 24,427,192.80 = 15,911,547.20 : x - Step 2: Convert to fraction form
16,284,795.20/24,427,192.80 = 15,911,547.20/x - Step 3: Cross multiply
16,284,795.20x = 24,427,192.80 × 15,911,547.20 - Step 4: Simplify right side
16,284,795.20x = 388,674,431,200,700.12 - Step 5: Solve for x
x = 388,674,431,200,700.12/16,284,795.20 - Step 6: Final answer
x = 23,867,320.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.