Finding the Fourth Proportional to 19,559,252.79, 26,994,575.75 and 11,719,074.66
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Solution
The fourth proportional to 19,559,252.79, 26,994,575.75 and 11,719,074.66 is: 16,174,004.80
Step by Step Solution
- Step 1: Write the proportion equation
19,559,252.79 : 26,994,575.75 = 11,719,074.66 : x - Step 2: Convert to fraction form
19,559,252.79/26,994,575.75 = 11,719,074.66/x - Step 3: Cross multiply
19,559,252.79x = 26,994,575.75 × 11,719,074.66 - Step 4: Simplify right side
19,559,252.79x = 316,351,448,570,680.12 - Step 5: Solve for x
x = 316,351,448,570,680.12/19,559,252.79 - Step 6: Final answer
x = 16,174,004.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.