Finding the Fourth Proportional to 19,572,741.36, 27,009,635.97 and 10,871,472.06
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Solution
The fourth proportional to 19,572,741.36, 27,009,635.97 and 10,871,472.06 is: 15,002,216.47
Step by Step Solution
- Step 1: Write the proportion equation
19,572,741.36 : 27,009,635.97 = 10,871,472.06 : x - Step 2: Convert to fraction form
19,572,741.36/27,009,635.97 = 10,871,472.06/x - Step 3: Cross multiply
19,572,741.36x = 27,009,635.97 × 10,871,472.06 - Step 4: Simplify right side
19,572,741.36x = 293,634,502,798,626 - Step 5: Solve for x
x = 293,634,502,798,626/19,572,741.36 - Step 6: Final answer
x = 15,002,216.47
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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.