Finding the Fourth Proportional to 10,204,123.92, 14,082,329.16 and 5,620,444.08
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Solution
The fourth proportional to 10,204,123.92, 14,082,329.16 and 5,620,444.08 is: 7,756,564.32
Step by Step Solution
- Step 1: Write the proportion equation
10,204,123.92 : 14,082,329.16 = 5,620,444.08 : x - Step 2: Convert to fraction form
10,204,123.92/14,082,329.16 = 5,620,444.08/x - Step 3: Cross multiply
10,204,123.92x = 14,082,329.16 × 5,620,444.08 - Step 4: Simplify right side
10,204,123.92x = 79,148,943,559,933.38 - Step 5: Solve for x
x = 79,148,943,559,933.38/10,204,123.92 - Step 6: Final answer
x = 7,756,564.32
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1.5x scale
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.