Finding the Fourth Proportional to 20,795,844.91, 31,181,760.28 and 6,415,051.63
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Solution
The fourth proportional to 20,795,844.91, 31,181,760.28 and 6,415,051.63 is: 9,618,873.53
Step by Step Solution
- Step 1: Write the proportion equation
20,795,844.91 : 31,181,760.28 = 6,415,051.63 : x - Step 2: Convert to fraction form
20,795,844.91/31,181,760.28 = 6,415,051.63/x - Step 3: Cross multiply
20,795,844.91x = 31,181,760.28 × 6,415,051.63 - Step 4: Simplify right side
20,795,844.91x = 200,032,602,110,483.25 - Step 5: Solve for x
x = 200,032,602,110,483.25/20,795,844.91 - Step 6: Final answer
x = 9,618,873.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.