Finding the Fourth Proportional to 29,312,969.24, 40,456,748.86 and 16,264,431.92
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Solution
The fourth proportional to 29,312,969.24, 40,456,748.86 and 16,264,431.92 is: 22,447,607.82
Step by Step Solution
- Step 1: Write the proportion equation
29,312,969.24 : 40,456,748.86 = 16,264,431.92 : x - Step 2: Convert to fraction form
29,312,969.24/40,456,748.86 = 16,264,431.92/x - Step 3: Cross multiply
29,312,969.24x = 40,456,748.86 × 16,264,431.92 - Step 4: Simplify right side
29,312,969.24x = 658,006,037,598,488.38 - Step 5: Solve for x
x = 658,006,037,598,488.38/29,312,969.24 - Step 6: Final answer
x = 22,447,607.82
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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.