Finding the Fourth Proportional to 10,746,028.10, 16,119,042.15 and 7,344,805.70
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Solution
The fourth proportional to 10,746,028.10, 16,119,042.15 and 7,344,805.70 is: 11,017,208.55
Step by Step Solution
- Step 1: Write the proportion equation
10,746,028.10 : 16,119,042.15 = 7,344,805.70 : x - Step 2: Convert to fraction form
10,746,028.10/16,119,042.15 = 7,344,805.70/x - Step 3: Cross multiply
10,746,028.10x = 16,119,042.15 × 7,344,805.70 - Step 4: Simplify right side
10,746,028.10x = 118,391,232,661,860.27 - Step 5: Solve for x
x = 118,391,232,661,860.27/10,746,028.10 - Step 6: Final answer
x = 11,017,208.55
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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.