Finding the Fourth Proportional to 21,954,190.95, 32,928,296.97 and 5,778,787.68
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Solution
The fourth proportional to 21,954,190.95, 32,928,296.97 and 5,778,787.68 is: 8,667,394.63
Step by Step Solution
- Step 1: Write the proportion equation
21,954,190.95 : 32,928,296.97 = 5,778,787.68 : x - Step 2: Convert to fraction form
21,954,190.95/32,928,296.97 = 5,778,787.68/x - Step 3: Cross multiply
21,954,190.95x = 32,928,296.97 × 5,778,787.68 - Step 4: Simplify right side
21,954,190.95x = 190,285,636,853,617.31 - Step 5: Solve for x
x = 190,285,636,853,617.31/21,954,190.95 - Step 6: Final answer
x = 8,667,394.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.