Finding the Fourth Proportional to 11,440,028.16, 15,787,547.19 and 6,730,752.38
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Solution
The fourth proportional to 11,440,028.16, 15,787,547.19 and 6,730,752.38 is: 9,288,619.68
Step by Step Solution
- Step 1: Write the proportion equation
11,440,028.16 : 15,787,547.19 = 6,730,752.38 : x - Step 2: Convert to fraction form
11,440,028.16/15,787,547.19 = 6,730,752.38/x - Step 3: Cross multiply
11,440,028.16x = 15,787,547.19 × 6,730,752.38 - Step 4: Simplify right side
11,440,028.16x = 106,262,070,744,517.08 - Step 5: Solve for x
x = 106,262,070,744,517.08/11,440,028.16 - Step 6: Final answer
x = 9,288,619.68
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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.