Finding the Fourth Proportional to 11,433,905.28, 15,768,257.28 and 7,768,308.48
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Solution
The fourth proportional to 11,433,905.28, 15,768,257.28 and 7,768,308.48 is: 10,713,110.15
Step by Step Solution
- Step 1: Write the proportion equation
11,433,905.28 : 15,768,257.28 = 7,768,308.48 : x - Step 2: Convert to fraction form
11,433,905.28/15,768,257.28 = 7,768,308.48/x - Step 3: Cross multiply
11,433,905.28x = 15,768,257.28 × 7,768,308.48 - Step 4: Simplify right side
11,433,905.28x = 122,492,686,743,045.73 - Step 5: Solve for x
x = 122,492,686,743,045.73/11,433,905.28 - Step 6: Final answer
x = 10,713,110.15
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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.