Finding the Fourth Proportional to 11,584,713.30, 15,987,014.58 and 6,428,554.62
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Solution
The fourth proportional to 11,584,713.30, 15,987,014.58 and 6,428,554.62 is: 8,871,466.54
Step by Step Solution
- Step 1: Write the proportion equation
11,584,713.30 : 15,987,014.58 = 6,428,554.62 : x - Step 2: Convert to fraction form
11,584,713.30/15,987,014.58 = 6,428,554.62/x - Step 3: Cross multiply
11,584,713.30x = 15,987,014.58 × 6,428,554.62 - Step 4: Simplify right side
11,584,713.30x = 102,773,396,438,266.36 - Step 5: Solve for x
x = 102,773,396,438,266.36/11,584,713.30 - Step 6: Final answer
x = 8,871,466.54
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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.