Finding the Fourth Proportional to 16,517,620.20, 24,776,430.30 and 13,116,397.80
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Solution
The fourth proportional to 16,517,620.20, 24,776,430.30 and 13,116,397.80 is: 19,674,596.70
Step by Step Solution
- Step 1: Write the proportion equation
16,517,620.20 : 24,776,430.30 = 13,116,397.80 : x - Step 2: Convert to fraction form
16,517,620.20/24,776,430.30 = 13,116,397.80/x - Step 3: Cross multiply
16,517,620.20x = 24,776,430.30 × 13,116,397.80 - Step 4: Simplify right side
16,517,620.20x = 324,977,515,878,773.38 - Step 5: Solve for x
x = 324,977,515,878,773.38/16,517,620.20 - Step 6: Final answer
x = 19,674,596.70
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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.