Finding the Fourth Proportional to 43,598,828.79, 65,397,915.12 and 11,247,981.21
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Solution
The fourth proportional to 43,598,828.79, 65,397,915.12 and 11,247,981.21 is: 16,871,887.18
Step by Step Solution
- Step 1: Write the proportion equation
43,598,828.79 : 65,397,915.12 = 11,247,981.21 : x - Step 2: Convert to fraction form
43,598,828.79/65,397,915.12 = 11,247,981.21/x - Step 3: Cross multiply
43,598,828.79x = 65,397,915.12 × 11,247,981.21 - Step 4: Simplify right side
43,598,828.79x = 735,594,520,442,934.88 - Step 5: Solve for x
x = 735,594,520,442,934.88/43,598,828.79 - Step 6: Final answer
x = 16,871,887.18
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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.