Finding the Fourth Proportional to 46,539,812.76, 69,814,486.80 and 17,810,112.12
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Solution
The fourth proportional to 46,539,812.76, 69,814,486.80 and 17,810,112.12 is: 26,716,992.69
Step by Step Solution
- Step 1: Write the proportion equation
46,539,812.76 : 69,814,486.80 = 17,810,112.12 : x - Step 2: Convert to fraction form
46,539,812.76/69,814,486.80 = 17,810,112.12/x - Step 3: Cross multiply
46,539,812.76x = 69,814,486.80 × 17,810,112.12 - Step 4: Simplify right side
46,539,812.76x = 1,243,403,837,508,260 - Step 5: Solve for x
x = 1,243,403,837,508,260/46,539,812.76 - Step 6: Final answer
x = 26,716,992.69
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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.