Finding the Fourth Proportional to 21,517,616.50, 32,276,263.98 and 6,164,919.28
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Solution
The fourth proportional to 21,517,616.50, 32,276,263.98 and 6,164,919.28 is: 9,247,332.86
Step by Step Solution
- Step 1: Write the proportion equation
21,517,616.50 : 32,276,263.98 = 6,164,919.28 : x - Step 2: Convert to fraction form
21,517,616.50/32,276,263.98 = 6,164,919.28/x - Step 3: Cross multiply
21,517,616.50x = 32,276,263.98 × 6,164,919.28 - Step 4: Simplify right side
21,517,616.50x = 198,980,562,096,671.53 - Step 5: Solve for x
x = 198,980,562,096,671.53/21,517,616.50 - Step 6: Final answer
x = 9,247,332.86
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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.