Finding the Fourth Proportional to 29,023,180.12, 40,068,508.42 and 19,246,822.68
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Solution
The fourth proportional to 29,023,180.12, 40,068,508.42 and 19,246,822.68 is: 26,571,570.50
Step by Step Solution
- Step 1: Write the proportion equation
29,023,180.12 : 40,068,508.42 = 19,246,822.68 : x - Step 2: Convert to fraction form
29,023,180.12/40,068,508.42 = 19,246,822.68/x - Step 3: Cross multiply
29,023,180.12x = 40,068,508.42 × 19,246,822.68 - Step 4: Simplify right side
29,023,180.12x = 771,191,476,611,827 - Step 5: Solve for x
x = 771,191,476,611,827/29,023,180.12 - Step 6: Final answer
x = 26,571,570.50
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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.