Finding the Fourth Proportional to 29,483,689.56, 40,690,518.36 and 17,726,787.63
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Solution
The fourth proportional to 29,483,689.56, 40,690,518.36 and 17,726,787.63 is: 24,464,786.74
Step by Step Solution
- Step 1: Write the proportion equation
29,483,689.56 : 40,690,518.36 = 17,726,787.63 : x - Step 2: Convert to fraction form
29,483,689.56/40,690,518.36 = 17,726,787.63/x - Step 3: Cross multiply
29,483,689.56x = 40,690,518.36 × 17,726,787.63 - Step 4: Simplify right side
29,483,689.56x = 721,312,177,318,883.25 - Step 5: Solve for x
x = 721,312,177,318,883.25/29,483,689.56 - Step 6: Final answer
x = 24,464,786.74
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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.