Finding the Fourth Proportional to 34,486,302.38, 51,730,675.41 and 8,578,738.58
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Solution
The fourth proportional to 34,486,302.38, 51,730,675.41 and 8,578,738.58 is: 12,868,411.81
Step by Step Solution
- Step 1: Write the proportion equation
34,486,302.38 : 51,730,675.41 = 8,578,738.58 : x - Step 2: Convert to fraction form
34,486,302.38/51,730,675.41 = 8,578,738.58/x - Step 3: Cross multiply
34,486,302.38x = 51,730,675.41 × 8,578,738.58 - Step 4: Simplify right side
34,486,302.38x = 443,783,940,909,224.31 - Step 5: Solve for x
x = 443,783,940,909,224.31/34,486,302.38 - Step 6: Final answer
x = 12,868,411.81
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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.