Finding the Fourth Proportional to 13,121,625.16, 19,683,839.58 and 5,549,356.36
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Solution
The fourth proportional to 13,121,625.16, 19,683,839.58 and 5,549,356.36 is: 8,324,627.40
Step by Step Solution
- Step 1: Write the proportion equation
13,121,625.16 : 19,683,839.58 = 5,549,356.36 : x - Step 2: Convert to fraction form
13,121,625.16/19,683,839.58 = 5,549,356.36/x - Step 3: Cross multiply
13,121,625.16x = 19,683,839.58 × 5,549,356.36 - Step 4: Simplify right side
13,121,625.16x = 109,232,640,362,492.72 - Step 5: Solve for x
x = 109,232,640,362,492.72/13,121,625.16 - Step 6: Final answer
x = 8,324,627.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.