Finding the Fourth Proportional to 11,066,190.18, 15,266,130.48 and 7,197,299.70
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Solution
The fourth proportional to 11,066,190.18, 15,266,130.48 and 7,197,299.70 is: 9,928,883.79
Step by Step Solution
- Step 1: Write the proportion equation
11,066,190.18 : 15,266,130.48 = 7,197,299.70 : x - Step 2: Convert to fraction form
11,066,190.18/15,266,130.48 = 7,197,299.70/x - Step 3: Cross multiply
11,066,190.18x = 15,266,130.48 × 7,197,299.70 - Step 4: Simplify right side
11,066,190.18x = 109,874,916,323,864.86 - Step 5: Solve for x
x = 109,874,916,323,864.86/11,066,190.18 - Step 6: Final answer
x = 9,928,883.79
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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.