Finding the Fourth Proportional to 34,362,579.08, 47,417,554.50 and 20,231,535.08
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Solution
The fourth proportional to 34,362,579.08, 47,417,554.50 and 20,231,535.08 is: 27,917,867.14
Step by Step Solution
- Step 1: Write the proportion equation
34,362,579.08 : 47,417,554.50 = 20,231,535.08 : x - Step 2: Convert to fraction form
34,362,579.08/47,417,554.50 = 20,231,535.08/x - Step 3: Cross multiply
34,362,579.08x = 47,417,554.50 × 20,231,535.08 - Step 4: Simplify right side
34,362,579.08x = 959,329,917,274,561.75 - Step 5: Solve for x
x = 959,329,917,274,561.75/34,362,579.08 - Step 6: Final answer
x = 27,917,867.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.