Finding the Fourth Proportional to 17,729,444.20, 26,594,166.30 and 15,391,103.80
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Solution
The fourth proportional to 17,729,444.20, 26,594,166.30 and 15,391,103.80 is: 23,086,655.70
Step by Step Solution
- Step 1: Write the proportion equation
17,729,444.20 : 26,594,166.30 = 15,391,103.80 : x - Step 2: Convert to fraction form
17,729,444.20/26,594,166.30 = 15,391,103.80/x - Step 3: Cross multiply
17,729,444.20x = 26,594,166.30 × 15,391,103.80 - Step 4: Simplify right side
17,729,444.20x = 409,313,573,997,762 - Step 5: Solve for x
x = 409,313,573,997,762/17,729,444.20 - Step 6: Final answer
x = 23,086,655.70
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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.