Finding the Fourth Proportional to 29,074,267.68, 40,121,938.56 and 16,022,733.12
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Solution
The fourth proportional to 29,074,267.68, 40,121,938.56 and 16,022,733.12 is: 22,111,068.14
Step by Step Solution
- Step 1: Write the proportion equation
29,074,267.68 : 40,121,938.56 = 16,022,733.12 : x - Step 2: Convert to fraction form
29,074,267.68/40,121,938.56 = 16,022,733.12/x - Step 3: Cross multiply
29,074,267.68x = 40,121,938.56 × 16,022,733.12 - Step 4: Simplify right side
29,074,267.68x = 642,863,113,803,917.12 - Step 5: Solve for x
x = 642,863,113,803,917.12/29,074,267.68 - Step 6: Final answer
x = 22,111,068.14
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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.