Finding the Fourth Proportional to 7,746,867.84, 10,691,974.92 and 4,483,120.24
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Solution
The fourth proportional to 7,746,867.84, 10,691,974.92 and 4,483,120.24 is: 6,187,456.68
Step by Step Solution
- Step 1: Write the proportion equation
7,746,867.84 : 10,691,974.92 = 4,483,120.24 : x - Step 2: Convert to fraction form
7,746,867.84/10,691,974.92 = 4,483,120.24/x - Step 3: Cross multiply
7,746,867.84x = 10,691,974.92 × 4,483,120.24 - Step 4: Simplify right side
7,746,867.84x = 47,933,409,169,424.38 - Step 5: Solve for x
x = 47,933,409,169,424.38/7,746,867.84 - Step 6: Final answer
x = 6,187,456.68
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1.5x scale
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.