Finding the Fourth Proportional to 11,502,641.76, 15,873,536.16 and 6,346,044.96
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Solution
The fourth proportional to 11,502,641.76, 15,873,536.16 and 6,346,044.96 is: 8,757,481.65
Step by Step Solution
- Step 1: Write the proportion equation
11,502,641.76 : 15,873,536.16 = 6,346,044.96 : x - Step 2: Convert to fraction form
11,502,641.76/15,873,536.16 = 6,346,044.96/x - Step 3: Cross multiply
11,502,641.76x = 15,873,536.16 × 6,346,044.96 - Step 4: Simplify right side
11,502,641.76x = 100,734,174,145,545.75 - Step 5: Solve for x
x = 100,734,174,145,545.75/11,502,641.76 - Step 6: Final answer
x = 8,757,481.65
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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.