Finding the Fourth Proportional to 26,261,287.66, 36,234,194.43 and 15,394,172.14
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Solution
The fourth proportional to 26,261,287.66, 36,234,194.43 and 15,394,172.14 is: 21,240,216.16
Step by Step Solution
- Step 1: Write the proportion equation
26,261,287.66 : 36,234,194.43 = 15,394,172.14 : x - Step 2: Convert to fraction form
26,261,287.66/36,234,194.43 = 15,394,172.14/x - Step 3: Cross multiply
26,261,287.66x = 36,234,194.43 × 15,394,172.14 - Step 4: Simplify right side
26,261,287.66x = 557,795,426,409,649.19 - Step 5: Solve for x
x = 557,795,426,409,649.19/26,261,287.66 - Step 6: Final answer
x = 21,240,216.16
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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.