Finding the Fourth Proportional to 11,584,717.04, 15,987,019.74 and 6,428,558.36
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Solution
The fourth proportional to 11,584,717.04, 15,987,019.74 and 6,428,558.36 is: 8,871,471.70
Step by Step Solution
- Step 1: Write the proportion equation
11,584,717.04 : 15,987,019.74 = 6,428,558.36 : x - Step 2: Convert to fraction form
11,584,717.04/15,987,019.74 = 6,428,558.36/x - Step 3: Cross multiply
11,584,717.04x = 15,987,019.74 × 6,428,558.36 - Step 4: Simplify right side
11,584,717.04x = 102,773,489,401,062.03 - Step 5: Solve for x
x = 102,773,489,401,062.03/11,584,717.04 - Step 6: Final answer
x = 8,871,471.70
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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.