Finding the Fourth Proportional to 25,656,208.08, 35,392,143.90 and 15,863,521.92
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Solution
The fourth proportional to 25,656,208.08, 35,392,143.90 and 15,863,521.92 is: 21,883,360.50
Step by Step Solution
- Step 1: Write the proportion equation
25,656,208.08 : 35,392,143.90 = 15,863,521.92 : x - Step 2: Convert to fraction form
25,656,208.08/35,392,143.90 = 15,863,521.92/x - Step 3: Cross multiply
25,656,208.08x = 35,392,143.90 × 15,863,521.92 - Step 4: Simplify right side
25,656,208.08x = 561,444,050,553,444.25 - Step 5: Solve for x
x = 561,444,050,553,444.25/25,656,208.08 - Step 6: Final answer
x = 21,883,360.50
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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.