Finding the Fourth Proportional to 6,661,822.14, 9,992,060.71 and 4,516,621.18
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Solution
The fourth proportional to 6,661,822.14, 9,992,060.71 and 4,516,621.18 is: 6,774,475.82
Step by Step Solution
- Step 1: Write the proportion equation
6,661,822.14 : 9,992,060.71 = 4,516,621.18 : x - Step 2: Convert to fraction form
6,661,822.14/9,992,060.71 = 4,516,621.18/x - Step 3: Cross multiply
6,661,822.14x = 9,992,060.71 × 4,516,621.18 - Step 4: Simplify right side
6,661,822.14x = 45,130,352,998,360.13 - Step 5: Solve for x
x = 45,130,352,998,360.13/6,661,822.14 - Step 6: Final answer
x = 6,774,475.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.