Finding the Fourth Proportional to 16,015,511.62, 24,023,261.40 and 6,430,887.28
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Solution
The fourth proportional to 16,015,511.62, 24,023,261.40 and 6,430,887.28 is: 9,646,328.50
Step by Step Solution
- Step 1: Write the proportion equation
16,015,511.62 : 24,023,261.40 = 6,430,887.28 : x - Step 2: Convert to fraction form
16,015,511.62/24,023,261.40 = 6,430,887.28/x - Step 3: Cross multiply
16,015,511.62x = 24,023,261.40 × 6,430,887.28 - Step 4: Simplify right side
16,015,511.62x = 154,490,886,161,375 - Step 5: Solve for x
x = 154,490,886,161,375/16,015,511.62 - Step 6: Final answer
x = 9,646,328.50
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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.