Finding the Fourth Proportional to 10,080,719.36, 13,911,728.64 and 5,497,291.52
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Solution
The fourth proportional to 10,080,719.36, 13,911,728.64 and 5,497,291.52 is: 7,586,445.49
Step by Step Solution
- Step 1: Write the proportion equation
10,080,719.36 : 13,911,728.64 = 5,497,291.52 : x - Step 2: Convert to fraction form
10,080,719.36/13,911,728.64 = 5,497,291.52/x - Step 3: Cross multiply
10,080,719.36x = 13,911,728.64 × 5,497,291.52 - Step 4: Simplify right side
10,080,719.36x = 76,476,827,881,213.12 - Step 5: Solve for x
x = 76,476,827,881,213.12/10,080,719.36 - Step 6: Final answer
x = 7,586,445.49
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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.