Finding the Fourth Proportional to 11,584,708.67, 15,987,008.18 and 6,428,549.99
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Solution
The fourth proportional to 11,584,708.67, 15,987,008.18 and 6,428,549.99 is: 8,871,460.14
Step by Step Solution
- Step 1: Write the proportion equation
11,584,708.67 : 15,987,008.18 = 6,428,549.99 : x - Step 2: Convert to fraction form
11,584,708.67/15,987,008.18 = 6,428,549.99/x - Step 3: Cross multiply
11,584,708.67x = 15,987,008.18 × 6,428,549.99 - Step 4: Simplify right side
11,584,708.67x = 102,773,281,211,805.25 - Step 5: Solve for x
x = 102,773,281,211,805.25/11,584,708.67 - Step 6: Final answer
x = 8,871,460.14
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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.