Finding the Fourth Proportional to 13,871,635.26, 19,142,412.39 and 7,759,932.54
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Solution
The fourth proportional to 13,871,635.26, 19,142,412.39 and 7,759,932.54 is: 10,708,458.38
Step by Step Solution
- Step 1: Write the proportion equation
13,871,635.26 : 19,142,412.39 = 7,759,932.54 : x - Step 2: Convert to fraction form
13,871,635.26/19,142,412.39 = 7,759,932.54/x - Step 3: Cross multiply
13,871,635.26x = 19,142,412.39 × 7,759,932.54 - Step 4: Simplify right side
13,871,635.26x = 148,543,828,799,260.19 - Step 5: Solve for x
x = 148,543,828,799,260.19/13,871,635.26 - Step 6: Final answer
x = 10,708,458.38
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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.