Finding the Fourth Proportional to 21,260,134.43, 29,323,320.28 and 16,033,362.62
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Solution
The fourth proportional to 21,260,134.43, 29,323,320.28 and 16,033,362.62 is: 22,114,226.46
Step by Step Solution
- Step 1: Write the proportion equation
21,260,134.43 : 29,323,320.28 = 16,033,362.62 : x - Step 2: Convert to fraction form
21,260,134.43/29,323,320.28 = 16,033,362.62/x - Step 3: Cross multiply
21,260,134.43x = 29,323,320.28 × 16,033,362.62 - Step 4: Simplify right side
21,260,134.43x = 470,151,427,271,639.94 - Step 5: Solve for x
x = 470,151,427,271,639.94/21,260,134.43 - Step 6: Final answer
x = 22,114,226.46
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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.