Finding the Fourth Proportional to 7,615,757.51, 11,417,655.12 and 5,212,315.58
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Solution
The fourth proportional to 7,615,757.51, 11,417,655.12 and 5,212,315.58 is: 7,814,379.80
Step by Step Solution
- Step 1: Write the proportion equation
7,615,757.51 : 11,417,655.12 = 5,212,315.58 : x - Step 2: Convert to fraction form
7,615,757.51/11,417,655.12 = 5,212,315.58/x - Step 3: Cross multiply
7,615,757.51x = 11,417,655.12 × 5,212,315.58 - Step 4: Simplify right side
7,615,757.51x = 59,512,421,669,042.77 - Step 5: Solve for x
x = 59,512,421,669,042.77/7,615,757.51 - Step 6: Final answer
x = 7,814,379.80
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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.