Finding the Fourth Proportional to 21,805,787.56, 32,688,884.07 and 10,879,319.08
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Solution
The fourth proportional to 21,805,787.56, 32,688,884.07 and 10,879,319.08 is: 16,309,101.39
Step by Step Solution
- Step 1: Write the proportion equation
21,805,787.56 : 32,688,884.07 = 10,879,319.08 : x - Step 2: Convert to fraction form
21,805,787.56/32,688,884.07 = 10,879,319.08/x - Step 3: Cross multiply
21,805,787.56x = 32,688,884.07 × 10,879,319.08 - Step 4: Simplify right side
21,805,787.56x = 355,632,800,166,659.06 - Step 5: Solve for x
x = 355,632,800,166,659.06/21,805,787.56 - Step 6: Final answer
x = 16,309,101.39
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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.