Finding the Fourth Proportional to 8,871,120.80, 12,242,306.14 and 5,202,683.24
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Solution
The fourth proportional to 8,871,120.80, 12,242,306.14 and 5,202,683.24 is: 7,179,796.38
Step by Step Solution
- Step 1: Write the proportion equation
8,871,120.80 : 12,242,306.14 = 5,202,683.24 : x - Step 2: Convert to fraction form
8,871,120.80/12,242,306.14 = 5,202,683.24/x - Step 3: Cross multiply
8,871,120.80x = 12,242,306.14 × 5,202,683.24 - Step 4: Simplify right side
8,871,120.80x = 63,692,840,973,527.10 - Step 5: Solve for x
x = 63,692,840,973,527.10/8,871,120.80 - Step 6: Final answer
x = 7,179,796.38
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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.