Finding the Fourth Proportional to 8,308,755.87, 12,461,887.01 and 2,628,242.07
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Solution
The fourth proportional to 8,308,755.87, 12,461,887.01 and 2,628,242.07 is: 3,941,968.71
Step by Step Solution
- Step 1: Write the proportion equation
8,308,755.87 : 12,461,887.01 = 2,628,242.07 : x - Step 2: Convert to fraction form
8,308,755.87/12,461,887.01 = 2,628,242.07/x - Step 3: Cross multiply
8,308,755.87x = 12,461,887.01 × 2,628,242.07 - Step 4: Simplify right side
8,308,755.87x = 32,752,855,698,127.30 - Step 5: Solve for x
x = 32,752,855,698,127.30/8,308,755.87 - Step 6: Final answer
x = 3,941,968.71
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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.