Finding the Fourth Proportional to 7,926,911.06, 10,939,193.25 and 4,305,239.06
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Solution
The fourth proportional to 7,926,911.06, 10,939,193.25 and 4,305,239.06 is: 5,941,260.31
Step by Step Solution
- Step 1: Write the proportion equation
7,926,911.06 : 10,939,193.25 = 4,305,239.06 : x - Step 2: Convert to fraction form
7,926,911.06/10,939,193.25 = 4,305,239.06/x - Step 3: Cross multiply
7,926,911.06x = 10,939,193.25 × 4,305,239.06 - Step 4: Simplify right side
7,926,911.06x = 47,095,842,064,788.34 - Step 5: Solve for x
x = 47,095,842,064,788.34/7,926,911.06 - Step 6: Final answer
x = 5,941,260.31
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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.