Finding the Fourth Proportional to 11,346,537.88, 15,656,080.76 and 6,763,285.72
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Solution
The fourth proportional to 11,346,537.88, 15,656,080.76 and 6,763,285.72 is: 9,332,057.81
Step by Step Solution
- Step 1: Write the proportion equation
11,346,537.88 : 15,656,080.76 = 6,763,285.72 : x - Step 2: Convert to fraction form
11,346,537.88/15,656,080.76 = 6,763,285.72/x - Step 3: Cross multiply
11,346,537.88x = 15,656,080.76 × 6,763,285.72 - Step 4: Simplify right side
11,346,537.88x = 105,886,547,401,458.31 - Step 5: Solve for x
x = 105,886,547,401,458.31/11,346,537.88 - Step 6: Final answer
x = 9,332,057.81
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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.