Finding the Fourth Proportional to 19,978,963.70, 27,552,257.58 and 13,261,415.80
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Solution
The fourth proportional to 19,978,963.70, 27,552,257.58 and 13,261,415.80 is: 18,288,333.14
Step by Step Solution
- Step 1: Write the proportion equation
19,978,963.70 : 27,552,257.58 = 13,261,415.80 : x - Step 2: Convert to fraction form
19,978,963.70/27,552,257.58 = 13,261,415.80/x - Step 3: Cross multiply
19,978,963.70x = 27,552,257.58 × 13,261,415.80 - Step 4: Simplify right side
19,978,963.70x = 365,381,943,997,081.75 - Step 5: Solve for x
x = 365,381,943,997,081.75/19,978,963.70 - Step 6: Final answer
x = 18,288,333.14
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