Finding the Fourth Proportional to 12,403,893.06, 18,605,839.77 and 3,884,896.26
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Solution
The fourth proportional to 12,403,893.06, 18,605,839.77 and 3,884,896.26 is: 5,827,344.45
Step by Step Solution
- Step 1: Write the proportion equation
12,403,893.06 : 18,605,839.77 = 3,884,896.26 : x - Step 2: Convert to fraction form
12,403,893.06/18,605,839.77 = 3,884,896.26/x - Step 3: Cross multiply
12,403,893.06x = 18,605,839.77 × 3,884,896.26 - Step 4: Simplify right side
12,403,893.06x = 72,281,757,336,632.25 - Step 5: Solve for x
x = 72,281,757,336,632.25/12,403,893.06 - Step 6: Final answer
x = 5,827,344.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.