Finding the Fourth Proportional to 29,579,471.79, 40,821,783.36 and 16,348,364.07
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Solution
The fourth proportional to 29,579,471.79, 40,821,783.36 and 16,348,364.07 is: 22,561,909.86
Step by Step Solution
- Step 1: Write the proportion equation
29,579,471.79 : 40,821,783.36 = 16,348,364.07 : x - Step 2: Convert to fraction form
29,579,471.79/40,821,783.36 = 16,348,364.07/x - Step 3: Cross multiply
29,579,471.79x = 40,821,783.36 × 16,348,364.07 - Step 4: Simplify right side
29,579,471.79x = 667,369,376,355,947.88 - Step 5: Solve for x
x = 667,369,376,355,947.88/29,579,471.79 - Step 6: Final answer
x = 22,561,909.86
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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.