Finding the Fourth Proportional to 11,070,728.36, 15,275,713.10 and 6,423,448.02
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Solution
The fourth proportional to 11,070,728.36, 15,275,713.10 and 6,423,448.02 is: 8,863,260.47
Step by Step Solution
- Step 1: Write the proportion equation
11,070,728.36 : 15,275,713.10 = 6,423,448.02 : x - Step 2: Convert to fraction form
11,070,728.36/15,275,713.10 = 6,423,448.02/x - Step 3: Cross multiply
11,070,728.36x = 15,275,713.10 × 6,423,448.02 - Step 4: Simplify right side
11,070,728.36x = 98,122,749,066,283.05 - Step 5: Solve for x
x = 98,122,749,066,283.05/11,070,728.36 - Step 6: Final answer
x = 8,863,260.47
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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.