Finding the Fourth Proportional to 29,387,360.21, 40,553,522.73 and 16,156,440.81
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Solution
The fourth proportional to 29,387,360.21, 40,553,522.73 and 16,156,440.81 is: 22,295,319.66
Step by Step Solution
- Step 1: Write the proportion equation
29,387,360.21 : 40,553,522.73 = 16,156,440.81 : x - Step 2: Convert to fraction form
29,387,360.21/40,553,522.73 = 16,156,440.81/x - Step 3: Cross multiply
29,387,360.21x = 40,553,522.73 × 16,156,440.81 - Step 4: Simplify right side
29,387,360.21x = 655,200,589,624,234.62 - Step 5: Solve for x
x = 655,200,589,624,234.62/29,387,360.21 - Step 6: Final answer
x = 22,295,319.66
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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.