Finding the Fourth Proportional to 7,407,675.82, 11,167,035.76 and 6,913,878.56
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Solution
The fourth proportional to 7,407,675.82, 11,167,035.76 and 6,913,878.56 is: 10,422,638.76
Step by Step Solution
- Step 1: Write the proportion equation
7,407,675.82 : 11,167,035.76 = 6,913,878.56 : x - Step 2: Convert to fraction form
7,407,675.82/11,167,035.76 = 6,913,878.56/x - Step 3: Cross multiply
7,407,675.82x = 11,167,035.76 × 6,913,878.56 - Step 4: Simplify right side
7,407,675.82x = 77,207,529,119,817.30 - Step 5: Solve for x
x = 77,207,529,119,817.30/7,407,675.82 - Step 6: Final answer
x = 10,422,638.76
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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.