Finding the Fourth Proportional to 30,629,873.79, 45,944,644.22 and 17,667,621.99
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Solution
The fourth proportional to 30,629,873.79, 45,944,644.22 and 17,667,621.99 is: 26,501,336.96
Step by Step Solution
- Step 1: Write the proportion equation
30,629,873.79 : 45,944,644.22 = 17,667,621.99 : x - Step 2: Convert to fraction form
30,629,873.79/45,944,644.22 = 17,667,621.99/x - Step 3: Cross multiply
30,629,873.79x = 45,944,644.22 × 17,667,621.99 - Step 4: Simplify right side
30,629,873.79x = 811,732,606,455,660.25 - Step 5: Solve for x
x = 811,732,606,455,660.25/30,629,873.79 - Step 6: Final answer
x = 26,501,336.96
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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.