Finding the Fourth Proportional to 12,728,042.08, 17,564,743.56 and 6,926,893.36
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Solution
The fourth proportional to 12,728,042.08, 17,564,743.56 and 6,926,893.36 is: 9,559,137.59
Step by Step Solution
- Step 1: Write the proportion equation
12,728,042.08 : 17,564,743.56 = 6,926,893.36 : x - Step 2: Convert to fraction form
12,728,042.08/17,564,743.56 = 6,926,893.36/x - Step 3: Cross multiply
12,728,042.08x = 17,564,743.56 × 6,926,893.36 - Step 4: Simplify right side
12,728,042.08x = 121,669,105,535,866.77 - Step 5: Solve for x
x = 121,669,105,535,866.77/12,728,042.08 - Step 6: Final answer
x = 9,559,137.59
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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.