Finding the Fourth Proportional to 21,260,109.24, 29,323,285.50 and 16,033,337.41
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Solution
The fourth proportional to 21,260,109.24, 29,323,285.50 and 16,033,337.41 is: 22,114,191.66
Step by Step Solution
- Step 1: Write the proportion equation
21,260,109.24 : 29,323,285.50 = 16,033,337.41 : x - Step 2: Convert to fraction form
21,260,109.24/29,323,285.50 = 16,033,337.41/x - Step 3: Cross multiply
21,260,109.24x = 29,323,285.50 × 16,033,337.41 - Step 4: Simplify right side
21,260,109.24x = 470,150,130,477,567.44 - Step 5: Solve for x
x = 470,150,130,477,567.44/21,260,109.24 - Step 6: Final answer
x = 22,114,191.66
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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.