Finding the Fourth Proportional to 10,355,696.80, 15,528,015.60 and 4,365,296.80
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Solution
The fourth proportional to 10,355,696.80, 15,528,015.60 and 4,365,296.80 is: 6,545,614.28
Step by Step Solution
- Step 1: Write the proportion equation
10,355,696.80 : 15,528,015.60 = 4,365,296.80 : x - Step 2: Convert to fraction form
10,355,696.80/15,528,015.60 = 4,365,296.80/x - Step 3: Cross multiply
10,355,696.80x = 15,528,015.60 × 4,365,296.80 - Step 4: Simplify right side
10,355,696.80x = 67,784,396,809,030.08 - Step 5: Solve for x
x = 67,784,396,809,030.08/10,355,696.80 - Step 6: Final answer
x = 6,545,614.28
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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.