Finding the Fourth Proportional to 29,425,558.79, 40,607,233.09 and 18,257,898.24
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Solution
The fourth proportional to 29,425,558.79, 40,607,233.09 and 18,257,898.24 is: 25,195,875.96
Step by Step Solution
- Step 1: Write the proportion equation
29,425,558.79 : 40,607,233.09 = 18,257,898.24 : x - Step 2: Convert to fraction form
29,425,558.79/40,607,233.09 = 18,257,898.24/x - Step 3: Cross multiply
29,425,558.79x = 40,607,233.09 × 18,257,898.24 - Step 4: Simplify right side
29,425,558.79x = 741,402,729,519,535.88 - Step 5: Solve for x
x = 741,402,729,519,535.88/29,425,558.79 - Step 6: Final answer
x = 25,195,875.96
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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.