Finding the Fourth Proportional to 7,320,058.79, 10,101,682.09 and 4,057,084.18
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Solution
The fourth proportional to 7,320,058.79, 10,101,682.09 and 4,057,084.18 is: 5,598,776.70
Step by Step Solution
- Step 1: Write the proportion equation
7,320,058.79 : 10,101,682.09 = 4,057,084.18 : x - Step 2: Convert to fraction form
7,320,058.79/10,101,682.09 = 4,057,084.18/x - Step 3: Cross multiply
7,320,058.79x = 10,101,682.09 × 4,057,084.18 - Step 4: Simplify right side
7,320,058.79x = 40,983,374,598,728.34 - Step 5: Solve for x
x = 40,983,374,598,728.34/7,320,058.79 - Step 6: Final answer
x = 5,598,776.70
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1.5x scale
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.