Finding the Fourth Proportional to 29,612,817.76, 40,864,920.72 and 16,382,483.68
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Solution
The fourth proportional to 29,612,817.76, 40,864,920.72 and 16,382,483.68 is: 22,607,402.72
Step by Step Solution
- Step 1: Write the proportion equation
29,612,817.76 : 40,864,920.72 = 16,382,483.68 : x - Step 2: Convert to fraction form
29,612,817.76/40,864,920.72 = 16,382,483.68/x - Step 3: Cross multiply
29,612,817.76x = 40,864,920.72 × 16,382,483.68 - Step 4: Simplify right side
29,612,817.76x = 669,468,896,779,893.88 - Step 5: Solve for x
x = 669,468,896,779,893.88/29,612,817.76 - Step 6: Final answer
x = 22,607,402.72
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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.