Finding the Fourth Proportional to 10,895,191.20, 16,338,850.20 and 4,415,547.60
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Solution
The fourth proportional to 10,895,191.20, 16,338,850.20 and 4,415,547.60 is: 6,621,725.99
Step by Step Solution
- Step 1: Write the proportion equation
10,895,191.20 : 16,338,850.20 = 4,415,547.60 : x - Step 2: Convert to fraction form
10,895,191.20/16,338,850.20 = 4,415,547.60/x - Step 3: Cross multiply
10,895,191.20x = 16,338,850.20 × 4,415,547.60 - Step 4: Simplify right side
10,895,191.20x = 72,144,970,787,369.52 - Step 5: Solve for x
x = 72,144,970,787,369.52/10,895,191.20 - Step 6: Final answer
x = 6,621,725.99
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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.