Finding the Fourth Proportional to 21,333,759.84, 29,440,666.60 and 11,544,204.12
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Solution
The fourth proportional to 21,333,759.84, 29,440,666.60 and 11,544,204.12 is: 15,931,043.90
Step by Step Solution
- Step 1: Write the proportion equation
21,333,759.84 : 29,440,666.60 = 11,544,204.12 : x - Step 2: Convert to fraction form
21,333,759.84/29,440,666.60 = 11,544,204.12/x - Step 3: Cross multiply
21,333,759.84x = 29,440,666.60 × 11,544,204.12 - Step 4: Simplify right side
21,333,759.84x = 339,869,064,659,266.38 - Step 5: Solve for x
x = 339,869,064,659,266.38/21,333,759.84 - Step 6: Final answer
x = 15,931,043.90
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1.5x scale
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.