Finding the Fourth Proportional to 17,173,029.72, 23,699,349.36 and 9,438,346.20
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Solution
The fourth proportional to 17,173,029.72, 23,699,349.36 and 9,438,346.20 is: 13,025,230.12
Step by Step Solution
- Step 1: Write the proportion equation
17,173,029.72 : 23,699,349.36 = 9,438,346.20 : x - Step 2: Convert to fraction form
17,173,029.72/23,699,349.36 = 9,438,346.20/x - Step 3: Cross multiply
17,173,029.72x = 23,699,349.36 × 9,438,346.20 - Step 4: Simplify right side
17,173,029.72x = 223,682,663,974,428.41 - Step 5: Solve for x
x = 223,682,663,974,428.41/17,173,029.72 - Step 6: Final answer
x = 13,025,230.12
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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.