Finding the Fourth Proportional to 29,700,987.99, 40,985,300.78 and 16,470,847.37
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Solution
The fourth proportional to 29,700,987.99, 40,985,300.78 and 16,470,847.37 is: 22,728,625.52
Step by Step Solution
- Step 1: Write the proportion equation
29,700,987.99 : 40,985,300.78 = 16,470,847.37 : x - Step 2: Convert to fraction form
29,700,987.99/40,985,300.78 = 16,470,847.37/x - Step 3: Cross multiply
29,700,987.99x = 40,985,300.78 × 16,470,847.37 - Step 4: Simplify right side
29,700,987.99x = 675,062,633,560,921.88 - Step 5: Solve for x
x = 675,062,633,560,921.88/29,700,987.99 - Step 6: Final answer
x = 22,728,625.52
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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.