Finding the Fourth Proportional to 7,486,354.35, 11,229,528.69 and 2,939,542.47
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Solution
The fourth proportional to 7,486,354.35, 11,229,528.69 and 2,939,542.47 is: 4,409,312.59
Step by Step Solution
- Step 1: Write the proportion equation
7,486,354.35 : 11,229,528.69 = 2,939,542.47 : x - Step 2: Convert to fraction form
7,486,354.35/11,229,528.69 = 2,939,542.47/x - Step 3: Cross multiply
7,486,354.35x = 11,229,528.69 × 2,939,542.47 - Step 4: Simplify right side
7,486,354.35x = 33,009,676,502,338.46 - Step 5: Solve for x
x = 33,009,676,502,338.46/7,486,354.35 - Step 6: Final answer
x = 4,409,312.59
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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.