Finding the Fourth Proportional to 11,565,393.63, 15,967,497.82 and 7,442,587.84
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Solution
The fourth proportional to 11,565,393.63, 15,967,497.82 and 7,442,587.84 is: 10,275,439.72
Step by Step Solution
- Step 1: Write the proportion equation
11,565,393.63 : 15,967,497.82 = 7,442,587.84 : x - Step 2: Convert to fraction form
11,565,393.63/15,967,497.82 = 7,442,587.84/x - Step 3: Cross multiply
11,565,393.63x = 15,967,497.82 × 7,442,587.84 - Step 4: Simplify right side
11,565,393.63x = 118,839,505,110,358.52 - Step 5: Solve for x
x = 118,839,505,110,358.52/11,565,393.63 - Step 6: Final answer
x = 10,275,439.72
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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.