Finding the Fourth Proportional to 13,544,415.84, 18,691,521.84 and 7,433,412.96
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Solution
The fourth proportional to 13,544,415.84, 18,691,521.84 and 7,433,412.96 is: 10,258,235.00
Step by Step Solution
- Step 1: Write the proportion equation
13,544,415.84 : 18,691,521.84 = 7,433,412.96 : x - Step 2: Convert to fraction form
13,544,415.84/18,691,521.84 = 7,433,412.96/x - Step 3: Cross multiply
13,544,415.84x = 18,691,521.84 × 7,433,412.96 - Step 4: Simplify right side
13,544,415.84x = 138,941,800,687,579.05 - Step 5: Solve for x
x = 138,941,800,687,579.05/13,544,415.84 - Step 6: Final answer
x = 10,258,235.00
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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.