Finding the Fourth Proportional to 7,134,693.84, 9,843,074.64 and 4,077,267.84
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Solution
The fourth proportional to 7,134,693.84, 9,843,074.64 and 4,077,267.84 is: 5,625,027.87
Step by Step Solution
- Step 1: Write the proportion equation
7,134,693.84 : 9,843,074.64 = 4,077,267.84 : x - Step 2: Convert to fraction form
7,134,693.84/9,843,074.64 = 4,077,267.84/x - Step 3: Cross multiply
7,134,693.84x = 9,843,074.64 × 4,077,267.84 - Step 4: Simplify right side
7,134,693.84x = 40,132,851,676,391.58 - Step 5: Solve for x
x = 40,132,851,676,391.58/7,134,693.84 - Step 6: Final answer
x = 5,625,027.87
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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.