Finding the Fourth Proportional to 10,460,334.89, 15,690,660.20 and 3,983,768.81
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Solution
The fourth proportional to 10,460,334.89, 15,690,660.20 and 3,983,768.81 is: 5,975,713.33
Step by Step Solution
- Step 1: Write the proportion equation
10,460,334.89 : 15,690,660.20 = 3,983,768.81 : x - Step 2: Convert to fraction form
10,460,334.89/15,690,660.20 = 3,983,768.81/x - Step 3: Cross multiply
10,460,334.89x = 15,690,660.20 × 3,983,768.81 - Step 4: Simplify right side
10,460,334.89x = 62,507,962,666,754.05 - Step 5: Solve for x
x = 62,507,962,666,754.05/10,460,334.89 - Step 6: Final answer
x = 5,975,713.33
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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.