Finding the Fourth Proportional to 29,072,072.31, 40,117,652.11 and 16,018,600.74
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Solution
The fourth proportional to 29,072,072.31, 40,117,652.11 and 16,018,600.74 is: 22,104,672.99
Step by Step Solution
- Step 1: Write the proportion equation
29,072,072.31 : 40,117,652.11 = 16,018,600.74 : x - Step 2: Convert to fraction form
29,072,072.31/40,117,652.11 = 16,018,600.74/x - Step 3: Cross multiply
29,072,072.31x = 40,117,652.11 × 16,018,600.74 - Step 4: Simplify right side
29,072,072.31x = 642,628,651,555,786 - Step 5: Solve for x
x = 642,628,651,555,786/29,072,072.31 - Step 6: Final answer
x = 22,104,672.99
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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.