Finding the Fourth Proportional to 10,204,398.94, 14,082,090.12 and 5,558,169.70
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Solution
The fourth proportional to 10,204,398.94, 14,082,090.12 and 5,558,169.70 is: 7,670,284.85
Step by Step Solution
- Step 1: Write the proportion equation
10,204,398.94 : 14,082,090.12 = 5,558,169.70 : x - Step 2: Convert to fraction form
10,204,398.94/14,082,090.12 = 5,558,169.70/x - Step 3: Cross multiply
10,204,398.94x = 14,082,090.12 × 5,558,169.70 - Step 4: Simplify right side
10,204,398.94x = 78,270,646,617,653.36 - Step 5: Solve for x
x = 78,270,646,617,653.36/10,204,398.94 - Step 6: Final answer
x = 7,670,284.85
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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.