Finding the Fourth Proportional to 14,562,129.12, 20,099,177.36 and 8,370,767.25
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Solution
The fourth proportional to 14,562,129.12, 20,099,177.36 and 8,370,767.25 is: 11,553,635.75
Step by Step Solution
- Step 1: Write the proportion equation
14,562,129.12 : 20,099,177.36 = 8,370,767.25 : x - Step 2: Convert to fraction form
14,562,129.12/20,099,177.36 = 8,370,767.25/x - Step 3: Cross multiply
14,562,129.12x = 20,099,177.36 × 8,370,767.25 - Step 4: Simplify right side
14,562,129.12x = 168,245,535,597,029.47 - Step 5: Solve for x
x = 168,245,535,597,029.47/14,562,129.12 - Step 6: Final answer
x = 11,553,635.75
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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.