Finding the Fourth Proportional to 7,101,558.64, 9,800,748.12 and 4,348,232.56
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Solution
The fourth proportional to 7,101,558.64, 9,800,748.12 and 4,348,232.56 is: 6,000,926.59
Step by Step Solution
- Step 1: Write the proportion equation
7,101,558.64 : 9,800,748.12 = 4,348,232.56 : x - Step 2: Convert to fraction form
7,101,558.64/9,800,748.12 = 4,348,232.56/x - Step 3: Cross multiply
7,101,558.64x = 9,800,748.12 × 4,348,232.56 - Step 4: Simplify right side
7,101,558.64x = 42,615,932,087,742.78 - Step 5: Solve for x
x = 42,615,932,087,742.78/7,101,558.64 - Step 6: Final answer
x = 6,000,926.59
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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.