Finding the Fourth Proportional to 18,677,107.80, 27,989,417.70 and 14,845,483.80
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Solution
The fourth proportional to 18,677,107.80, 27,989,417.70 and 14,845,483.80 is: 22,247,365.68
Step by Step Solution
- Step 1: Write the proportion equation
18,677,107.80 : 27,989,417.70 = 14,845,483.80 : x - Step 2: Convert to fraction form
18,677,107.80/27,989,417.70 = 14,845,483.80/x - Step 3: Cross multiply
18,677,107.80x = 27,989,417.70 × 14,845,483.80 - Step 4: Simplify right side
18,677,107.80x = 415,516,447,036,783.25 - Step 5: Solve for x
x = 415,516,447,036,783.25/18,677,107.80 - Step 6: Final answer
x = 22,247,365.68
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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.