Finding the Fourth Proportional to 29,079,645.30, 40,128,273.18 and 16,026,864.12
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Solution
The fourth proportional to 29,079,645.30, 40,128,273.18 and 16,026,864.12 is: 22,116,170.09
Step by Step Solution
- Step 1: Write the proportion equation
29,079,645.30 : 40,128,273.18 = 16,026,864.12 : x - Step 2: Convert to fraction form
29,079,645.30/40,128,273.18 = 16,026,864.12/x - Step 3: Cross multiply
29,079,645.30x = 40,128,273.18 × 16,026,864.12 - Step 4: Simplify right side
29,079,645.30x = 643,130,381,626,100.25 - Step 5: Solve for x
x = 643,130,381,626,100.25/29,079,645.30 - Step 6: Final answer
x = 22,116,170.09
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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.