Finding the Fourth Proportional to 11,603,548.08, 16,012,780.92 and 6,446,798.94
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Solution
The fourth proportional to 11,603,548.08, 16,012,780.92 and 6,446,798.94 is: 8,896,518.41
Step by Step Solution
- Step 1: Write the proportion equation
11,603,548.08 : 16,012,780.92 = 6,446,798.94 : x - Step 2: Convert to fraction form
11,603,548.08/16,012,780.92 = 6,446,798.94/x - Step 3: Cross multiply
11,603,548.08x = 16,012,780.92 × 6,446,798.94 - Step 4: Simplify right side
11,603,548.08x = 103,231,179,061,508.23 - Step 5: Solve for x
x = 103,231,179,061,508.23/11,603,548.08 - Step 6: Final answer
x = 8,896,518.41
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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.