Finding the Fourth Proportional to 11,417,147.21, 15,740,421.26 and 9,070,132.38
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Solution
The fourth proportional to 11,417,147.21, 15,740,421.26 and 9,070,132.38 is: 12,504,674.06
Step by Step Solution
- Step 1: Write the proportion equation
11,417,147.21 : 15,740,421.26 = 9,070,132.38 : x - Step 2: Convert to fraction form
11,417,147.21/15,740,421.26 = 9,070,132.38/x - Step 3: Cross multiply
11,417,147.21x = 15,740,421.26 × 9,070,132.38 - Step 4: Simplify right side
11,417,147.21x = 142,767,704,499,815.75 - Step 5: Solve for x
x = 142,767,704,499,815.75/11,417,147.21 - Step 6: Final answer
x = 12,504,674.06
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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.