Finding the Fourth Proportional to 11,295,743.20, 16,943,614.80 and 10,516,296.40
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Solution
The fourth proportional to 11,295,743.20, 16,943,614.80 and 10,516,296.40 is: 15,774,444.60
Step by Step Solution
- Step 1: Write the proportion equation
11,295,743.20 : 16,943,614.80 = 10,516,296.40 : x - Step 2: Convert to fraction form
11,295,743.20/16,943,614.80 = 10,516,296.40/x - Step 3: Cross multiply
11,295,743.20x = 16,943,614.80 × 10,516,296.40 - Step 4: Simplify right side
11,295,743.20x = 178,184,075,324,226.72 - Step 5: Solve for x
x = 178,184,075,324,226.72/11,295,743.20 - Step 6: Final answer
x = 15,774,444.60
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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.