Finding the Fourth Proportional to 7,686,024.60, 10,606,528.98 and 4,201,206.96
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Solution
The fourth proportional to 7,686,024.60, 10,606,528.98 and 4,201,206.96 is: 5,797,564.50
Step by Step Solution
- Step 1: Write the proportion equation
7,686,024.60 : 10,606,528.98 = 4,201,206.96 : x - Step 2: Convert to fraction form
7,686,024.60/10,606,528.98 = 4,201,206.96/x - Step 3: Cross multiply
7,686,024.60x = 10,606,528.98 × 4,201,206.96 - Step 4: Simplify right side
7,686,024.60x = 44,560,223,372,217.70 - Step 5: Solve for x
x = 44,560,223,372,217.70/7,686,024.60 - Step 6: Final answer
x = 5,797,564.50
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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.