Finding the Fourth Proportional to 7,407,673.06, 11,167,031.62 and 6,913,875.82
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Solution
The fourth proportional to 7,407,673.06, 11,167,031.62 and 6,913,875.82 is: 10,422,634.65
Step by Step Solution
- Step 1: Write the proportion equation
7,407,673.06 : 11,167,031.62 = 6,913,875.82 : x - Step 2: Convert to fraction form
7,407,673.06/11,167,031.62 = 6,913,875.82/x - Step 3: Cross multiply
7,407,673.06x = 11,167,031.62 × 6,913,875.82 - Step 4: Simplify right side
7,407,673.06x = 77,207,469,898,693.42 - Step 5: Solve for x
x = 77,207,469,898,693.42/7,407,673.06 - Step 6: Final answer
x = 10,422,634.65
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.