Finding the Fourth Proportional to 11,119,146.84, 15,344,743.11 and 6,224,340.12
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Solution
The fourth proportional to 11,119,146.84, 15,344,743.11 and 6,224,340.12 is: 8,589,768.76
Step by Step Solution
- Step 1: Write the proportion equation
11,119,146.84 : 15,344,743.11 = 6,224,340.12 : x - Step 2: Convert to fraction form
11,119,146.84/15,344,743.11 = 6,224,340.12/x - Step 3: Cross multiply
11,119,146.84x = 15,344,743.11 × 6,224,340.12 - Step 4: Simplify right side
11,119,146.84x = 95,510,900,170,666.58 - Step 5: Solve for x
x = 95,510,900,170,666.58/11,119,146.84 - Step 6: Final answer
x = 8,589,768.76
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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.