Finding the Fourth Proportional to 10,555,241.28, 14,566,261.20 and 5,726,345.28
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Solution
The fourth proportional to 10,555,241.28, 14,566,261.20 and 5,726,345.28 is: 7,902,371.80
Step by Step Solution
- Step 1: Write the proportion equation
10,555,241.28 : 14,566,261.20 = 5,726,345.28 : x - Step 2: Convert to fraction form
10,555,241.28/14,566,261.20 = 5,726,345.28/x - Step 3: Cross multiply
10,555,241.28x = 14,566,261.20 × 5,726,345.28 - Step 4: Simplify right side
10,555,241.28x = 83,411,441,069,867.14 - Step 5: Solve for x
x = 83,411,441,069,867.14/10,555,241.28 - Step 6: Final answer
x = 7,902,371.80
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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.