Finding the Fourth Proportional to 7,661,776.08, 10,572,932.34 and 4,177,039.44
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Solution
The fourth proportional to 7,661,776.08, 10,572,932.34 and 4,177,039.44 is: 5,764,140.71
Step by Step Solution
- Step 1: Write the proportion equation
7,661,776.08 : 10,572,932.34 = 4,177,039.44 : x - Step 2: Convert to fraction form
7,661,776.08/10,572,932.34 = 4,177,039.44/x - Step 3: Cross multiply
7,661,776.08x = 10,572,932.34 × 4,177,039.44 - Step 4: Simplify right side
7,661,776.08x = 44,163,555,380,631.49 - Step 5: Solve for x
x = 44,163,555,380,631.49/7,661,776.08 - Step 6: Final answer
x = 5,764,140.71
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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.