Finding the Fourth Proportional to 16,128,429.10, 24,192,643.65 and 11,019,078.70
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Solution
The fourth proportional to 16,128,429.10, 24,192,643.65 and 11,019,078.70 is: 16,528,618.05
Step by Step Solution
- Step 1: Write the proportion equation
16,128,429.10 : 24,192,643.65 = 11,019,078.70 : x - Step 2: Convert to fraction form
16,128,429.10/24,192,643.65 = 11,019,078.70/x - Step 3: Cross multiply
16,128,429.10x = 24,192,643.65 × 11,019,078.70 - Step 4: Simplify right side
16,128,429.10x = 266,580,644,340,405.22 - Step 5: Solve for x
x = 266,580,644,340,405.22/16,128,429.10 - Step 6: Final answer
x = 16,528,618.05
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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.