Finding the Fourth Proportional to 11,204,840.20, 15,462,469.48 and 6,853,606.84
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Solution
The fourth proportional to 11,204,840.20, 15,462,469.48 and 6,853,606.84 is: 9,457,848.99
Step by Step Solution
- Step 1: Write the proportion equation
11,204,840.20 : 15,462,469.48 = 6,853,606.84 : x - Step 2: Convert to fraction form
11,204,840.20/15,462,469.48 = 6,853,606.84/x - Step 3: Cross multiply
11,204,840.20x = 15,462,469.48 × 6,853,606.84 - Step 4: Simplify right side
11,204,840.20x = 105,973,686,591,419.25 - Step 5: Solve for x
x = 105,973,686,591,419.25/11,204,840.20 - Step 6: Final answer
x = 9,457,848.99
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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.