Finding the Fourth Proportional to 21,334,683.13, 29,432,480.48 and 12,509,629.85
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Solution
The fourth proportional to 21,334,683.13, 29,432,480.48 and 12,509,629.85 is: 17,257,787.90
Step by Step Solution
- Step 1: Write the proportion equation
21,334,683.13 : 29,432,480.48 = 12,509,629.85 : x - Step 2: Convert to fraction form
21,334,683.13/29,432,480.48 = 12,509,629.85/x - Step 3: Cross multiply
21,334,683.13x = 29,432,480.48 × 12,509,629.85 - Step 4: Simplify right side
21,334,683.13x = 368,189,436,309,602.19 - Step 5: Solve for x
x = 368,189,436,309,602.19/21,334,683.13 - Step 6: Final answer
x = 17,257,787.90
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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.