Finding the Fourth Proportional to 21,029,448.96, 29,023,544.16 and 12,329,763.84
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Solution
The fourth proportional to 21,029,448.96, 29,023,544.16 and 12,329,763.84 is: 17,016,777.09
Step by Step Solution
- Step 1: Write the proportion equation
21,029,448.96 : 29,023,544.16 = 12,329,763.84 : x - Step 2: Convert to fraction form
21,029,448.96/29,023,544.16 = 12,329,763.84/x - Step 3: Cross multiply
21,029,448.96x = 29,023,544.16 × 12,329,763.84 - Step 4: Simplify right side
21,029,448.96x = 357,853,445,292,611.19 - Step 5: Solve for x
x = 357,853,445,292,611.19/21,029,448.96 - Step 6: Final answer
x = 17,016,777.09
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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.