Finding the Fourth Proportional to 19,970,539.27, 27,563,932.14 and 11,713,261.67
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Solution
The fourth proportional to 19,970,539.27, 27,563,932.14 and 11,713,261.67 is: 16,166,992.06
Step by Step Solution
- Step 1: Write the proportion equation
19,970,539.27 : 27,563,932.14 = 11,713,261.67 : x - Step 2: Convert to fraction form
19,970,539.27/27,563,932.14 = 11,713,261.67/x - Step 3: Cross multiply
19,970,539.27x = 27,563,932.14 × 11,713,261.67 - Step 4: Simplify right side
19,970,539.27x = 322,863,549,809,943.06 - Step 5: Solve for x
x = 322,863,549,809,943.06/19,970,539.27 - Step 6: Final answer
x = 16,166,992.06
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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.