Finding the Fourth Proportional to 14,557,820.87, 21,835,943.99 and 4,460,471.03
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Solution
The fourth proportional to 14,557,820.87, 21,835,943.99 and 4,460,471.03 is: 6,690,465.31
Step by Step Solution
- Step 1: Write the proportion equation
14,557,820.87 : 21,835,943.99 = 4,460,471.03 : x - Step 2: Convert to fraction form
14,557,820.87/21,835,943.99 = 4,460,471.03/x - Step 3: Cross multiply
14,557,820.87x = 21,835,943.99 × 4,460,471.03 - Step 4: Simplify right side
14,557,820.87x = 97,398,595,557,795.25 - Step 5: Solve for x
x = 97,398,595,557,795.25/14,557,820.87 - Step 6: Final answer
x = 6,690,465.31
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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.