Finding the Fourth Proportional to 10,391,090.36, 15,584,273.58 and 4,996,964.21
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Solution
The fourth proportional to 10,391,090.36, 15,584,273.58 and 4,996,964.21 is: 7,494,310.47
Step by Step Solution
- Step 1: Write the proportion equation
10,391,090.36 : 15,584,273.58 = 4,996,964.21 : x - Step 2: Convert to fraction form
10,391,090.36/15,584,273.58 = 4,996,964.21/x - Step 3: Cross multiply
10,391,090.36x = 15,584,273.58 × 4,996,964.21 - Step 4: Simplify right side
10,391,090.36x = 77,874,057,318,108.58 - Step 5: Solve for x
x = 77,874,057,318,108.58/10,391,090.36 - Step 6: Final answer
x = 7,494,310.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.