Finding the Fourth Proportional to 22,350,142.68, 30,843,304.97 and 13,058,243.07
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Solution
The fourth proportional to 22,350,142.68, 30,843,304.97 and 13,058,243.07 is: 18,020,438.58
Step by Step Solution
- Step 1: Write the proportion equation
22,350,142.68 : 30,843,304.97 = 13,058,243.07 : x - Step 2: Convert to fraction form
22,350,142.68/30,843,304.97 = 13,058,243.07/x - Step 3: Cross multiply
22,350,142.68x = 30,843,304.97 × 13,058,243.07 - Step 4: Simplify right side
22,350,142.68x = 402,759,373,380,399.06 - Step 5: Solve for x
x = 402,759,373,380,399.06/22,350,142.68 - Step 6: Final answer
x = 18,020,438.58
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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.