Finding the Fourth Proportional to 40,695,930.10, 61,043,895.15 and 15,131,649.70
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Solution
The fourth proportional to 40,695,930.10, 61,043,895.15 and 15,131,649.70 is: 22,697,474.55
Step by Step Solution
- Step 1: Write the proportion equation
40,695,930.10 : 61,043,895.15 = 15,131,649.70 : x - Step 2: Convert to fraction form
40,695,930.10/61,043,895.15 = 15,131,649.70/x - Step 3: Cross multiply
40,695,930.10x = 61,043,895.15 × 15,131,649.70 - Step 4: Simplify right side
40,695,930.10x = 923,694,837,733,328.88 - Step 5: Solve for x
x = 923,694,837,733,328.88/40,695,930.10 - Step 6: Final answer
x = 22,697,474.55
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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.