Finding the Fourth Proportional to 21,333,756.84, 29,440,662.47 and 11,544,201.10
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Solution
The fourth proportional to 21,333,756.84, 29,440,662.47 and 11,544,201.10 is: 15,931,039.74
Step by Step Solution
- Step 1: Write the proportion equation
21,333,756.84 : 29,440,662.47 = 11,544,201.10 : x - Step 2: Convert to fraction form
21,333,756.84/29,440,662.47 = 11,544,201.10/x - Step 3: Cross multiply
21,333,756.84x = 29,440,662.47 × 11,544,201.10 - Step 4: Simplify right side
21,333,756.84x = 339,868,928,070,902.69 - Step 5: Solve for x
x = 339,868,928,070,902.69/21,333,756.84 - Step 6: Final answer
x = 15,931,039.74
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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.