Finding the Fourth Proportional to 29,211,557.13, 43,821,321.30 and 12,168,244.26
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Solution
The fourth proportional to 29,211,557.13, 43,821,321.30 and 12,168,244.26 is: 18,254,026.62
Step by Step Solution
- Step 1: Write the proportion equation
29,211,557.13 : 43,821,321.30 = 12,168,244.26 : x - Step 2: Convert to fraction form
29,211,557.13/43,821,321.30 = 12,168,244.26/x - Step 3: Cross multiply
29,211,557.13x = 43,821,321.30 × 12,168,244.26 - Step 4: Simplify right side
29,211,557.13x = 533,228,541,374,340.69 - Step 5: Solve for x
x = 533,228,541,374,340.69/29,211,557.13 - Step 6: Final answer
x = 18,254,026.62
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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.